Except Apple very overtly neglects to fix huge bugs on Mobile Safari, so developers are locked into endless hacks to have anything substantial work correctly on

Except Apple very overtly neglects to fix huge bugs on Mobile Safari, so developers are locked into endless hacks to have anything substantial work correctly on iOS, which is a vital market segment. It may have been incompetence rather than willful neglect on Microsoft's part, but the end result for developers is the same. This is the right tree :)