What's to stop people from forking off that list and transitioning to another one? Like what if ad blockers just switched to use EasyList2 instead of EasyList?
If you host your repo in some other country that does not care about U.S. DMCA then it should be fine.
Disclaimer: IANAL.
It sounds a bit weird that a notice that has legal ramifications and is written in non-official language of the country would be legally binding. Or would American judges accept DMCA notice that was written in Spanish (I was considering using something like Comorian, but that's probably a bit too different case)?