Most of your complaints are related to how iOS handles web apps that you've saved to the home screen, which is a feature that is completely orthogonal to Apple'

Most of your complaints are related to how iOS handles web apps that you've saved to the home screen, which is a feature that is completely orthogonal to Apple's rendering engine. I agree that iOS home screen apps are in a pretty bad state, but Google is also discontinuing Chrome Apps and that doesn't make Chrome a worse HTML renderer.