Even the washing is so bad now, that it doesn't even matter:

- The spec we're discussing was "proposed" sometime in 2019. Here's a comment from WebKit on March 27 2020:

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I notice that this proposal still exists only in a random personal repo. Could it please be contributed to an appropriate standards or incubation group?

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At sometime they did move it to the appropriate group

- WebHID that is now shipped in Chrome. They asked for Mozilla's position, and Mozilla couldn't even understand the proposal: https://github.com/mozilla/standards-positions/issues/459

And this keeps happening over and over and over and over again.

Their reaction when they are called out? When Mozilla and Safari flat-out refused to implement Constructible StyleSheets as they were spec'ed, Chrome still released them (because their own devs from lit-html relied on them), and said https://twitter.com/slightlylate/status/1220451799032877057

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We often lead, balancing risk/reward rather than demanding a particular point in an arbitrary process.

Leadership is rather the point of having an engine team, after all.

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That is what they call "leadership".