True madness for average user here is that they removed Intellisense plugins and force copilot but gives a seriously unusable quota for tab-completion, for non-paid users.

I just totally don't get it.

No they didn't. They removed intellicode - an AI derivative (228 points, 10 days ago, 180 comments) https://news.ycombinator.com/item?id=46286383

> IntelliCode is NOT IntelliSense

https://news.ycombinator.com/item?id=46290607