It often does!

First example I could find:

Good lord. But to be fair, isn’t this similar to the US SCOTUS ruling against a US legislation?

Although I now suspect there must be plenty of EU regulations that govern member regulations.

It often does!

First example I could find:

https://www.euractiv.com/section/platforms/news/eus-top-court-rules-against-austrias-content-moderation-law/

But then who will regulate the regulation regulators?

But then who will regulate the regulation regulators?

https://factoryfactoryfactory.net

+1
Doubt they will ever stop unless USD/EUR collapses. 
So many people get paid with our taxes to make our lives and opportunities worse