true. Though you have to consider that most of them will get bought up by children and uneducated people that see them as novelty $5 pets that are seen as disposible by many. ... like goldfish.
I've been to pet stores where a clerk was chasing frogs around to get one for a child requesting one. Recently, I overheard a kid ask his mom if he could get a frog and she told him "no, you keep killing em... maybe next time".