> was already starting to cool down.

You seem to want it both ways. It was a misconception, but it apparently did happen, and apparently "cooled down?" I don't think all these things can be true.

It's highly possible they were heavily investing and were planning on continuing but people noticing and the social pushback it created caused them to change their minds about the strategy.

> Black rock isn't buying up all the housing, your neighbors are.

People may or may not be. They may or may not be my neighbors. You seem to be pushing a set of ideals rather than a set of facts.