MS gets criticized for being MS and having lackluster 1st party support.
Nintendo gets criticized because they are like roaches, and keep coming despite past failures.
Sony gets criticized due to them being on top, and fans of other consoles want to knock them down a peg.
There are valid reasons to attack all 3 TBH, for too many reasons to list. It all depends on what is hot in the market to determine which one gets bashed harder at any given time.