[MichaelBurge]

So any Linux kernel contributor in the last 30 years can pull their license and force an immediate "emergency rewrite" of everything they've contributed? Since other Linux developers would no longer have a license to use it?

That seems unlikely, or somebody would do it just for the laughs. (I certainly would)

[charcircuit]

There were threats of it around the time the CoC was added.

[MichaelBurge]

That sounds like internet drama and not a serious threat. I think they're powerless to do anything.