The problem is on windows you're competing directly against the guys who own the operating system. So even when there is a gap for a better file manager the one that microsoft makes is so entrenched and microsoft can make sure they always win. It sucks.
That was the argument used for IE/Edge. But eventually it got so terrible that the first thing everyone does now is install Chrome/Firefox/Brave.
They obviously have an advantage, but it’s not insurmountable to being garbage.