On desktop I think that's less valuable, and personally, I like the confidence of knowing that eg uBO still works, and the predictability of how it will behave.
The Connect thread is interesting; PWAs are a nebulous term and everyone has different use cases for them, so if this allows to cover some of those with significantly less investment, that makes sense to me.
I have yet to see the government actually do something about this (because it's costly), but I don't see why Wilders in particular would be against this? This seems totally unrelated to his key issues.