Earlier quoted context omitted.
Bitcoin has a single popular client. There are people who work on that client. Ethereum has five execution clients, developed by independent teams, and another five proof-of-stake clients, also developed by independent teams, plus an open community of researchers where anyone can participate. The Ethereum Foundation funds some of this, but not all of it. If the various teams don't agree to do something, it won't get…
> Bitcoin has a single popular client. False.
https://river.com/learn/what-is-bitcoin-core/
Since it is the reference implementation, other clients have to follow its lead. And that's the lead of a fairly small group:
> Over the years, the code has had more than 800 contributors. However, only seven people serve the role of “maintainers” nowadays.
https://bitcoinist.com/who-funds-bitcoin-core-developers-her...