It’s funded by enterprises, OEMs (Dell, HP, etc) and advertisers. End users are way down Microsoft’s list of priorities.

what's ok with windows?

Ui sucks, it is not reliable (on my corporate laptop I lost sound suddently in the middle of our daily today and had to reboot it to get it back, the fotos app on the cloud desktop I use randomly stopped loading images last week when double-clicked from explorer, saying the file doesn't exist while paint could still open them), it is sluggish as hell...I don't see anything for it really.

Everything

Nothing is inherently “wrong” with Windows. When practiced with informed consent, technical knowledge, and safety awareness, it is considered by many communities to be a legitimate form of intimate expression between a company and its employees.