It could be debated that the Muppets/Monsters Inc. area of HPB has already been "placemaked."
As for the rest of it, I was under the impression that the decision was made to go ahead with Midway Mania instead of placemaking, for the time being at least, because it's more likely to bring in more guests.
Wasn't Midway Mania actually the first step of placemaking? BTW as far as I understand it "placemaking" pretty much means strengthening some of the themes of the park by various means (and thereby eliminating some other themes) in order to make richer "lands" comparable to the "lands" at DL. According to Al Lutz they've also been testing some ideas for new animal AAs in GRR to help bring about the new stronger "national park" theme that will incorporate both the Grizzly Peak and Condor Flats areas. Just an example of the placemaking movement.
I'm literally a born Disney fan! I was born at Providence St. Joseph Med Center right across the street from Disney Studios in Burbank. The same hospital where Walt died.
By the way my shirt in the pic says "I like big sharks and I cannot lie"
I think that the whole entrance should be a cross between the CONTEMPORARY HOTEL Lobby in Florida and the Stage 1 at Disney Studios in Paris.
Keep the monorail running through the entrance building but maybe make the facades and interior elements always changing, so they can bring in props from the latest Disney movie, or do holiday makeovers in there, to set the stage.
Might be more exciting than an 1920s train station with no trains.