Dang you’re not wrong. I didn’t check all of them but in my phone those drawing ones are super responsive. If only most PWAs worked like that there’d be more goodwill for them. I personally feel most React apps and their abysmal performance (starting with facebook’s attempt) really hurt the PWA movement on mobile.

I dont think people are actually against PWA or React per se. In those examples above yes 80% of them should be using React. What most people have problems with are things like SeekingAlpha which doesn't need to be with React at all but is using it anyway. While I dont visit "SeekingAlpha" but most of the time these site will have one or two problems that makes it feel not a web page but a web apps.