Leo's are usually easy to sell I doubt you would have a problem selling them. if you price them low you should be able to sell them off quick.
And on the main topic Most of the people here care about the animals and wont do what alot of idiot keepers do. if they cant sell they animals they either lower the price or wait it out. they dont abuse them Ie not feed or cage properly So I think its safe you say you dont need to fear it happening
"Far more crime and child abuse has been committed by zealots in the name of God, Jesus and Mohammed than has ever been committed in the name of Satan. Many people don't like that statement, but few can argue with it."