Wait, isn't the lack of available single women and the men freaking out over that everywhere you look? People talk about conservative women, but they are generally married, the single ones aren't following yet. And if they don't marry they may never.
So I can't go both directions. We can't complain about the marriage crisis and the irrelevance of a potential 4B-style movement at the same time.
My guess is that not enough women will sign up to call it a movement, but the fact of young men doubling down on conservatism and misogyny is liable to have the same effect.