So do you think that the thread about that magician is also problematic? Or what about that "hot prison guy" that exploded over facebookAs someone else pointed out, yes, that grates. It's objectifying and irrelevant to the conversation. It reads to me like "hold up guys, everybody stop talking about what we're discussing for a second - we need to acknowledge the woman in the room and how I totally find her sexually attractive, because that's what's really important."
Even if it's not overt or explicitly annoying in a single incidence, "hot" women are subjected to it over and over again. It absolutely would be grating, anything in repetition would be.
And that ignores the lack of utility of said posts. What purpose do they serve?
And when you're going about usefulness of a post then you can also start to crack down on gif replys, puns and other stuff like that. Acknowledging that someone is attractive doesn't seem problematic to me. Only some of the forms it's done in.