Nor me, but I would guess that blocking EU traffic is neither necessary nor sufficient for avoiding compliance with EU law. Not doing any business in the EU would seem to be a more obvious general solution.
For example, you may block EU traffic, but if you have a bank account in the EU, and if an EU citizen discovers somehow, perhaps while travelling abroad, that you are misusing their personal data...
For example, you may block EU traffic, but if you have a bank account in the EU, and if an EU citizen discovers somehow, perhaps while travelling abroad, that you are misusing their personal data...