They should only remove Bug's Land if they replace it with something even better for that age demographic. It is necessary for there to be things for kids under 4 to do at DCA.
I remember when our daughter was 3 1/2 and we wanted so badly to take her on Soarin'. The first CM let us through, but down the ramp the second CM said she was just a little too short. We headed over to Bug's Land and let her ride everything and run through the water. If it weren't for Bug's Land there would have been almost nothing for her to do in DCA.
I will say that I'm a bit burnt out on large area being torn out at the moment after the past few years of construction around the DCA. I would not love see Bug's Land improved with better quality rides without changing it's size too much.
DCA dosen't or shouldn't need a dedicated 'kiddie land'. Every attraction in Fantasyland (except the Matterhorn) is suitable for young children, but is not labeled a kiddie land. Disney can build things suitable for the whole family, something which A Bugs Land is not. Disney can do better than A Bugs Land with creating rides for small children.
I have mixed feelings about "a bug's land." On one hand, I would like to see it saved, but changed up a bit. I would save "It's Tough To Be A Bug" and Hemlich's Chew Chew Train. I would also save Fancis' Ladybug Boogie, but relocate it to where Flik's Flyers are and remove that ride altogether. I would then remove Tuck & Roll's attraction and use that pad and Francis' former pad for an all-new attraction that is more in line with something all families can enjoy. Perhaps a dark ride like the classic Fantasyland dark rides. Something of C-ticket status. If possible, I would also try to add a small eatery in the land. Perhaps something of the size of Bengal BBQ in Adventureland. However, this eatery would rely primarily on vegetarian options.
On the other hand, the area of "a bug's land" is just big enough that it could house one really big new attraction for Hollywood Land or Cars Land, or a couple of smaller sized attractions for the aforementioned lands. If "a bug's land" were to be removed, I would save "It's Tough To Be A Bug!." I would then rezone it to Hollywood Land with the entrance leading from there to the theatre. Perhaps remove the Disney Junior building and create the entry for "It's Tough To Be A Bug!" in that pad? (I'd have to look at a map to see the real logistics of this. I'm just coming up with this off the top of my head.) The show could fit with the Hollywood theme. Although, maybe not the era the land is trying to convey.
It will be interesting to see what the fate of "a bug's land" ends up becoming.
Although film based attractions (Star Tours and Soarin' excepted) tend to not draw repeat visitors - I don't watch "It's Tough to Be A Bug" unless somebody in my group has never done it - I agree, this attraction could stay even if the rest of the land were cleared.
I say keep it. That place was made for the little kids not for us big kids. They need some rides that they can go on without beeing ask how tall they are or not old enough to go on. Besides that place is a good place to cool down in during the hot Summer times with the trees they have in that land.
While it is a very nicely themed area and great for little ones, it is also one of the weakest of the Pixar films. I say, take it out, but you might hear a lot of "KEEP IT!" from those with small children.
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But it totally goes against the "whole family together" aspect that Walt built the parks for.
I understand the argument here, and I don't necessarily disagree, but just to play Devil's advocate, couldn't you say the same things for attractions with a high height restriction and/or scary subject matter (i.e. California Screamin', Tower of Terror, Indiana Jones Adventure, Space Mountain, etc.)? In that case you have the kids sitting on the sidelines (with one adult staying behind, I'd hope) while the adults ride the rides.
In a way, the Bug's Land attractions are more universal than the more popular thrill attractions because the adults can still ride them and even enjoy them (I kind of adore Heimlich's Chew-Chew train for whatever reason). They're just not made for adults as the primary audience.
All that being said, yes, I agree, there's a lot more they could have done that would have been more clever than yet another spinner ride, a tea cups knock off, and world's most tame bumper cars. It would have been nice to have a real "must-see" attraction for the land to balance out the kiddie fare.
In fact, I'm going to propose an idea that's absolutely in contrast to what most other people are suggesting: keep Flick's Fun Fair more or less as is and kill It's Tough to Be a Bug. That occupies a larger footprint and at this point 3D shows are kind of played out. Replace it with something more timeless and more appealing to a wide audience. That would be a nice counter balance to the kiddie stuff in the rest of the land.
After all, you don't hear too many people griping about the "kiddie" attractions in Cars Land because RSR and the general theme of the area are good enough to balance it out.
I love Bug's Land! I think it's charming and I go with or without my children to walk through the fountains or ride Heimlich's Chew-Chew train. It's wonderfully themed and I love being there from dusk till dark hearing the loud chirping of crickets. I vote to keep it around a couple more years.