Comment by PaulHoule

Advocacy for "progressive web apps" always fell flat to me. There are a few reasons, such as web workers being a Rube Goldberg machine when people just wanted the kind of facility to control caches and fetching that Netscape Netcaster had in 1997. It was predictable to me that the usage breakdown of push notification was going to be

  50% spam
  49% scams
   1% other

and now people are just catching up to the obvious.