It's not strange when you consider that other browser vendors sometimes flat out refuse or delay. The only option, then, is to just go ahead, spec, build and launch it, and let the market decide whether to push those vendors to reconsider.
"The Power of 'No' in Internet Standards"
https://www.mnot.net/blog/2026/02/13/no
"How Do Committees Fail To Invent?"
https://infrequently.org/2025/08/how-do-committees-fail-to-i...