he has to have a more reasonable reason for wanting something
Um, why? It's HIS studio and HIS film (if it ever got made). He had the right to make as many demands as he wanted. Maybe Travers should have just said "No" and sold the rights to someone else. I wish she had. At least then you wouldn't be here whining and moaning about Walt Disney. No, you'd be whining and moaning that she didn't make enough money off of some unknown studio and how she was victimized and forced to sell her London home.
"Nothing is more ill bred than trying to steal the affections of someone else's dog."
He had no right when the rights weren't his yet. It was her film because he made her a promise that nothing happens without her consent. So it's her film.
HER film it was NOT, KSF, as she SOLD the stuff to WALT! Ph. I talked to KS and she says she won't work with you :D! (Ha ha ha ha-Felix)