I am plus size and I'm sure I will get some rude responses to this thread but I have never had a problem fitting on any ride at Disney World - even the kid rides! However, there were three rides at Universal where I needed the "modified" seating option. I learned that the hard (and very embarrassing way). Why make modified seating and not just make all seating fit a variety of body sizes? I can understand older rides not accomodating larger size people but the Harry Potter ride is almost brand new and even though I sat at the seat I came to and the restraint closed and locked they still asked me to move to the outside seat. My brother is not that big of a guy and they made him move to one of the larger outside seats as well. I was telling this to a friend who is bigger and he said he couldn't even get on the ride. Now why would a newer ride not be more accomodating to larger people? If I can climb in and out of the space mountain seats or any Disney roller coaster or the log flume at IOA why would a basic seated ride and restraint be an issue??