I knew it would happen straight from the start. The guy was NEVER sincere. I pretty much forbade my wife from listening to his music (just about the only time I ever told my wife I really, really did NOT want her to do something). I told others I believed “Mattisyahu” was a complete joke, an idiot, not someone worthy of even a minute’s attention. Nobody believed me, they all believed he was so awesome, so frum, so great.
I believe the frum world should be much more careful regarding BTs. While nobody can really tell what a person is like on the inside, some are quite obviously just after the chitzoniyus.
Me myself, I’m not such an amazing person either, I admit. I don’t daven as well as I should, don’t make it to most weekday minyanim (there are no minyanim before I leave for work and I am always busy throughout the evening), don’t learn more than the absolute minimum one might expect. But I am *stable* in what I do, unlike many who swing from one side to the other, have strange behavior and affiliate with weird groups (like Chabad). With such people, it’s just plain obvious that they will abandon Yiddishkeit at some point, when it’s not ‘cool’ any more.