It is all centralized in one way most coin fev team hold enough to cash out and be rich.
if internet goes down it is centralized. most cpin have a few 5-10 people working on the code they again make it centralized.
so pretty much as a whole most things will always be centralized in most the world for our life time anyway.
Well at least they are transparent, that is already a huge leap ahead from closed-source software.
So the open source revolution is already a big leap ahead, plus there are many other benefits, so there are positive things too.
There is huge benefits to crypto just not wuite the centralized part fully yet