The facts? There aren't really many "facts" to be had in this debate. If any side has a point based in anything other than opinion its the side citing the idea that Avatar is a dead IP, and that Cameron isn't easy to work with. At the end of the day,its essentially down to whether you like it or not.
One side says: "wait and see" "I like Avatar, so i look forward to this" or "I trust Disney, this will at least look nice (or provide a quality ride)" among other things.
The other side says : " Avatar never had the impact that the studio hoped" "The IP is dead, without a sequel on the horizon" "there isn't a fanbase for this" "the movie was crappy" among other things.
Both sides have some decent points, and both sides have terrible points. At this point though, its getting a lot harder to defend the project considering the state of the IP, and the surplus of IPs available for theme park translation that don't have the insane amount of baggage this project seems to have.
I do indeed concede, as a "hater", that the vistas found in Avatar could prove to be pretty and could provide some very interesting and quality rides (after all, Disney does indeed have a good track record). At the end of the day though, as far as my opinion goes, i in fact do not like Avatar, and, to me, it does indeed "suck". That is a personal truth i will hold onto, as do many moviegoers and park fans.
My amusement in this thread is that now the defenders are resorting to pinning this on Star Wars fans, as if its even comparable as a viable franchise for theme parks, or that either franchises have anything to do with each other . For god's sakes look at DRDISNEYMD, she's going as far as saying that somehow Avatar has something to do with Disney's purchase of Lucasfilm
To make a long story short, I haven't really seen a lot of "facts" beyond " the movie made money" and "Disney has a good track record". Feel free to throw me some more facts, preferably with more punctuation though.