>... I frequent Europe and do not want to get into legal trouble on vacation. Does the author seriously believe this could happen? Enforcement of GDPR is similar to antitrust law. A regular police officer isn't going to fine you for that. The author's anxiety makes as much sense as not traveling to the United States because you're worried that your one-person pottery business might be considered a monopoly under the…
Are you really can't imagine what state is capable of doing? Not so long ago they packed people on trains to gas them on an industrial scale, and there were people questioning whether this actually happened. Do you think jailing people for not complying with GDPR is not possible? Bookmark this comment and check in 5 years... if this site will even exist by then.
Now if the state has got to the levels of your tasteless gas-chamber example, i don't think you need worry about data protection law