Everything you said is accurate except for the word "completely". He's no longer on the MS board of directors or in any officer role, but there is this bit of ongoing involvement:

> In 2020, Bill Gates left the board of directors of Microsoft, the tech giant he cofounded in 1975. But he still spends about 10% of his time at its Redmond, Washington headquarters, meeting with product teams, he says.

https://www.forbes.com/sites/alexkonrad/2023/02/06/bill-gate... (article is from early February of this year)

Still, agreed, that doesn't really make him responsible for MS's current decisions.