But it is the only browser on iOS (even if you install another browser, under the hood it MUST use the safari rendering engine, so all browser use on iOS is rea

But it is the only browser on iOS (even if you install another browser, under the hood it MUST use the safari rendering engine, so all browser use on iOS is really Safari). Not supporting means you are not supporting any iPhone or iPad user. You might be anti-apple in your personal technology choices, but can you be anti-apple for whoever you work for?