It would be more honest, although giving users a notification that you're about to screw them is obviously not very good - mainly because in practice, what will happen is they'll say "don't worry, we only put in that warning for legal reasons. We won't actually screw you" for the few years before they screw you.

Also known as "please pay attention when kickstarter says this is a crowdfunding system and not a preorder system".

Identifying a problem is the first step to solving it.

Changing these buttons to "Rent" would force people to acknowledge what they're getting for their $60 bucks -- effectively a rental.

Once the problem is identified en masse, capitalism can do its work more efficiently.