Earlier quoted context omitted.
HSTS preloading blacklists may at some future point, block PWA as well. The real problem is indeed how much power society has given these corps. It's time to take back some power or we will never be able to.
Even easier, the website used by the PWA can end up on the blacklist of Google Safe Browsing [1] [1] https://news.ycombinator.com/item?id=25802366
There is simply no way to suppress content as long as there's enough demand. Somebody's always going to find a way to deliver. That's even true for really illegal stuff like drugs, copyright infringement or child abuse material, but so much more for content which is legal.