The real impact is app users aren't going to be herded towards paying a 30% fee on top of all digital content and services, forever, because the developers are

The real impact is app users aren't going to be herded towards paying a 30% fee on top of all digital content and services, forever, because the developers are banned from displaying, linking, or mentioning competing payment options. Apple is either going to earn that massive commission - the judge in the Epic case observed $3 out of every $4 is just profit rather than invested into better reviews or better security - or lose it to someone who does a better job of it... if the EU Commission nuts-up gives them that daily fine for charging what is now up to 20% fee for anyone daring to use external payments, anyway.