Without iOS enforcing Safari, Google will own the web. Safari being a requirement adds "test in other browsers" to the requirements list of any web app. If you

Without iOS enforcing Safari, Google will own the web. Safari being a requirement adds "test in other browsers" to the requirements list of any web app. If you can just tell iOS users to install Chrome, that development step goes away, and the incremental work to support for Firefox will also go away. And then we will have the real Internet Explorer web again, where it is owned by one company.