> Which is to say that no individual decision make want’s to be the first mover, so the market does not move.

Uh, that's not accurate. Hathaway is sitting all cash because of it and so far they have been the one losing. Even if you assume (and correctly I think) that the market is overvalued, their stock pile of cash is eroding: https://newzsquare.com/warren-buffett-warns-of-fiat-currency...

> A year ago there were a few signs. Right now, it feels like everything is primed to blow. Is that new?

The market is unhealthy. Too unhealthy that I think it can no longer self-heal the usual ways (recession/crash/etc.) and we'll instead move to more advanced stage of hyperinflation, global war, etc.