It could be argued that the some of the processes used to decaffeinate the beans can substantially change the flavour profile.

https://www.youtube.com/watch?v=wmowEQeEMaY

And you’re free to do so, that’s the entire point of a decentralised system.

They aren’t making decision for anyone but themselves, again, as is the point.

If you don’t agree with whatever they do, find an instance you do agree with or start your own.

Staying or leaving has the same amount of personal agency.