It will be. Watered down or put on the back burner for an extended time due to higher priorities.
India’s actually coming up with their own phone and services which is actually the innovative idea. It won’t be easy, but with their population, a government subsided phone is bound to be profitable enough to sustain it’s development. S. Korea, Japan are both presenting more measured legislation and in no way are considering full control of the product/services like the EU and the UK are. And, if these type of rules would cause the profit equation to be altered significantly with the EU, the UK’s situation would be even worse.
You keep saying 30%, but the the EU’s value to Apple is provided by THE CURRENT RULES ONLY.

If the rules change, that 30% can become 5% with the stroke of a pen (the EU has no requirement to consider the impact to business profits as they make their decisions). Yes, they would certainly forego 5% of their revenue.