> It doesn't hurt that setbacks for web app development coincidentally send developers into the open arms of Google and Apple's stores that collect a 30% cut of all revenue, so there was a good incentive to do it even if it didn't protect anyone.
That seems like a bit of a reach. Its an obscure feature that is rarely useful, and when it is all you have to do is send the right http header (if using chrome) and you get it back.