Satoshi made this statement in a post on the BitcoinTalk forum in 2013
'We should have a gentleman’s agreement to postpone the GPU arms race as long as we can for the good of the network. It’s much easer to get new users up to speed if they don’t have to worry about GPU drivers and compatibility. It’s nice how anyone with just a CPU can compete fairly equally right now.'
Satoshi Nakamoto
He knew that mining could get centralized, unfortunately we did not manage to stop the GPU arms race that he correctly predicted, quite impressive he saw that coming.
Now is a multi billion dollar industry, very unlikely we will ever go back to decentralized mining.
Check the mining distribution today:
Latest data in blockchain.com shows the following:
The ones in USA:
The ones in China:
What happen if they fork to a core version I do not support?
Why there are not more miners across the world?