I don't have a problem with people doing that as long as they don't pretend that every other commenter holds the same contrary opinion and that the downvotes in

I don't have a problem with people doing that as long as they don't pretend that every other commenter holds the same contrary opinion and that the downvotes indicate they're too sensitive to discuss such things, or other similar rationalizations. If you want to leave some drive-by snark without rationalizing it as being about other people, it's not my favorite kind of comment but I'm not going to object to it either.