I don't think it's going to go away any more than things like magazines or travel shows are going to go away. At best, some subset of the "influencers" will find something else to signal about.
Is it "new" when literally thousands of people took the same pic from the same angle ? It's herd mentality 101 if you ask me
I think it's already trending that way, but the effects are slow to arrival.
Critical point. Only when people start to think about this topic, they'll realize that shaming was invented for a reason, and a great reason: it works. It kept order into civilizations for millennia.
Really fuck social order and fuck social shaming - may they die and stay dead and buried and we have to deal with petty problems instead of this bullshit.