"...the German publishing giant Axel Springer...is suing Eyeo, makers of Adblock Plus, on the grounds that changing HTML to block an ad creates a 'derivative work' of Axel Springer's web-pages:
[...]
"'IP' ('a law that lets me control how you use your own property') is a tempting solution to every problem, but ultimately, IP ends up magnifying the power of the already powerful..."
https://pluralistic.net/2024/07/29/faithful-user-agents/#hard-cases-make-bad-copyright-law