[joshuamorton]

> They are going to feature paint themselves into a corner and have to make the choice of "cut off some chunk of the web"

This of course is actually much more likely (and functionally happened) with pre-WHATWG standards because they'd standardize things that were infeasible and no browser ever implemented, ever.

And at the same time everyone had their own weird nonstandard extensions (does no one remember the whacky stuff like https://developer.mozilla.org/en-US/docs/Glossary/Vendor_Pre... and how absolutely garbage-awful it was for maintainability?)