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@Otebon It is; it is also uncontrolled however. If the animal watches TV too, it could pick up on their words and pronunciations; not always desirable, but possible. You see it often enough in humans; let a child watch the wrong program and watch them swear sometimes for the rest of their life. Not even discipline will permanently and definitely put a halt to it, and you can't do that to an animal as effectively as a human.
TL;DR Not a good idea, but possible nevertheless.