They know.
Their solution to everything is global centrally-planned socialism.
So they know they CAN change the code. They just need a global government to seize all the computers first.
Discussion
We as Bitcoiners should troll fork and create a "Bitcoin Green" with an identical BCH logo. Advertised as the climate friendly Bitcoin. Let all the Greenpeace mouth breathers buy it up, then all the premined held by Bitcoiners we dump for real Bitcoin and let "Bitcoin Green" flash crash, rugging Greenpeace
wait... We shouldn't do it for free tough. Let's them pay us a lot for the work!