I have never been asked for a copyright assignment by the FSF for a patch. Maybe that happens and if and when it does I'd talk about that too.

https://lwn.net/Articles/359013/

This is hardly a dangerous, radical criticism that is novel and needs to be fought on all fronts...

How big and/or complicated have your patches been? Copyright assignment is not necessary for not-legally significant changes: https://www.gnu.org/prep/maintain/maintain.html#Legally-Sign...

Copyright assignment has long been used as an argument of why not to contribute to FSF projects, and is arguably one of the reasons that Clang/LLVM were able to garner contributions from a much broader set of folks.

You realize that FSF is in a different league of trustworthiness than Microsoft, right?