(snip) "...While I fully understand and support the upgrade to the boats as a necessary safety upgrade, the addition of the Disney Characters and the “Up with America” section I do NOT support as it represents a gross desecration of the ride's original theme and my Mother’s stylized artwork.
The Disney characters of themselves are positive company icons, but they do NOT fit in with the original theme of the ride. They will do nothing except to marginalize the rightful stars of the ride “The Children of the World”. This marginalization will do nothing but infuriate the ride’s international guests and devoted Disney fans..." (snip)
Much more of Kevin (Mary's son) Blair's letter to Disney executives at this Re-Imagineering link: