I can think of quite a few of those. One, I have heard that, since Boy George was on heroin, that listening to Culture Club would amount to taking it yourself. To me, that is a lame excuse to ruin a song or discography.
Another example was Michael Jackson's Thriller album. They wanted me to get rid of that album because I would be "supporting that apostate" by listening to cuts from it. To me, even if one bought into that excuse that one should not support him, listening to an album one already has is not further supporting him. Yes, take good care of the album--always a good idea if you don't like wasting money replacing things. But, throwing it in the rubbish makes no sense. If you don't want it, then sell the damn thing--at least that way, someone else will have a chance to listen to it without "supporting that apostate".
Once while I was out in field circus, one of the pious-sneers was discussing the song "Don't Worry Be Happy" being sung at Beth Hell. At one point I commented on it, and this pious-sneer snapped that it wasn't a Kingdumb malady--so what, does that make everything except Kingdumb maladies bad?
Another was the inclusion of the word "crap" in the song. There are other songs that include "damn" in the song--"When I think back of all the crap I learned in high school, it's a wonder I can think at all" was the line in question. Another had "Baddest man in the whole damn town" as its "bad" line. Since when is "crap" or "damn" a swear word in the 1970s and later? I can understand if it were back in the early part of the 1900s, nearer the Victorian era. But, "crap" has become an acceptable expletive since as long as I can remember (back in the 1960s).