“For personal or political reasons” means as a form of boycott or similar. Not to stop hacking or other abuse, not for legal or cost reasons, but just because of personal animosity towards a country.

This makes sense for a website for a commercial service. This question is more about personal blogs, FLOSS project websites, or other similar websites that could be equally useful to people from all countries.

https://tinkerbetter.tube/c/veronicaexplains

European government officials and institutions (on all levels) should at least stop using Twitter to communicate with people.