- Closed source (has always been bad for an OS, a 1-US-company controlled blackbox at the heart of your "personal" computer)
- Privacy nightmares (and getting worse)
- Forced cloud integrations (and getting worse)
- Forced AI integrations (and getting worse)
- More bloat and ads (and getting worse)
- More restrictions (e.g. local user accounts) (and getting worse)
- More dark patterns to try to annoy the user and get him/her to accept something that MS wants (and getting worse)
- More opt-out, on-by-default bad stuff being added (and getting worse)
- There's probably more...
The question is wrong: it's not why do you "still" hate Windows. I did like Windows 7. It was the last Windows I liked. After that, it's just a downhill enshittification spiral. The only real question is: at which point will it be too oppressive for the common user that even the most common user will try to avoid it entirely. And I fear that there's still more than enough room for MS to make Windows worse before enough people migrate away from it.