Privacy by design isn‘t enormous effort, as every European engineering manager will tell you. It‘s just another reasonable and straightforward set of requirements. Of course, if you want to have privacy-less features in jurisdictions permitting it, that‘s a different story and that‘s a choice.

In this case it looks like EU is requiring to let competitors mess with Apple users privacy.

Privacy by design while making a seven-figure salary because you make people buy stuff they don't really need is quite difficult ;)