To me, that sounds like a centralized team employing centralized decision making.
To me, that sounds like a centralized team employing centralized decision making.
The vast number of users, or at least, those who run their own node, choose to run a forked version of the client software that activated a contentious upgrade (the upgrade was Segregated Witness).
Only after the fact, this code was merged into the Core branch.
That's incorrect. The code was merged into the Core branch first. The protocol change was initiated by the developers, not by the users.
Exactly the same way you fork a non-security. Security is a legal designation, not a description of how a particular asset is implemented (in a forkable structure like a blockchain).
> What is the common enterprise when forking a PoW chain?
The developers/promoters of the fork, potentially.