From centralized exchanges the decentralized exchanges evolved since they share your criticism. The way I look at it: people create things, these things have c

From centralized exchanges the decentralized exchanges evolved since they share your criticism. The way I look at it: people create things, these things have certain effects. That's all there's to it. I don't mind that it's almost 100% against the idealism of Bitcoin, the fact that centralized exchanges were created and used is interesting in itself. Moreover, it's not necessarily incompatible with decentralization since trading Bitcoin on an exchange (centralized) is something else than exchanging Bitcoin via the blockchain (decentralized).