I think the parent is implying there are 1001 soc out there with some form of embedded gpu that probably have issues actually implementing webgpu. Like those in millions of Chinese tablets. Are they likely targets? Probably not now but in 5 years? Mainstream desktop hardware? No problem.

Not really, as mentioned, middleware does the job with much better developer tooling.

What I really would like to see is browser vendors finally providing WebGL and WebGPU debugging tools.

I think a decade has been more than enough for that.

Then again, no one is paying for browsers, so I guess I should not complain.