Earlier quoted context omitted.
How does GDPR affect people in other countries with no interest in doing business in Europe? If I host a forum in the US and you ask me to remove your posts and I tell you where to stick it, what legal consequences might I face? Erm, asking for a friend.
If you aren't in the Union, it applies to you if either [1]: (a) you are processing data of data subjects who are in the union related to the offering of goods or services to such data subjects, or (b) you are processing data of data subjects who are in the union related to monitoring of their behavior as far as their behavior takes place within the Union. If you can avoid both of these, then I believe you can pretty…
If you can live with infuriating a small portion of your customers while have a protection that can be circumvented in a matter of seconds then geoip block is what you want, otherwise ...