I have no strong strong opinion on this,it would not have felt better for me if eg Oracle,Amazon bought it.
Microsoft has at least showed lately that they care about open source,
VS Code is
Open Source.
The also hired Don Jayamanne,the maker of
Python extension to make sure that Python work well in VS Code.
VS Code Goes All In on Python
Now do have i most of my stuff on BitBucket(which is okay,not good,not bad).
I use Windows as main OS,mostly because of all my 3D stuff is setup there.
For programming is mostly the same for me if use Linux or Windows,they are just tool that i can run Python on