ESLint is the centralized idea I suppose, but getting consensus is difficult.

When it comes to formatting, there's other languages (Go, Python?) that have clear, top-down guidelines applied by tooling, at least for code style. I think that's clever, and besides the odd mailing list post trying to change it because of a personal preference, it minimizes discussions about trivialities over the really important things.

Because 2 vs 4 spaces or line length discussions are ultimately futile; those aren't features, individual preferences don't matter. Codebases have millions of lines and thousands of developers; individual opinions do not matter at scale, consistency does.