In US, if that was a private event, his request is legally binding.
How would this work in practice if it was litigated? Wouldn't you need proof that this was expressly communicated to the specific individual that violated and that they did so knowingly? Seems like it probably isn't enforceable...
I might agree that 'celebrities' and leaders of larger organizations are 'public figures' and thus if there's a reasonable public interest it should be allowed to tag them, probably with a publishing delay for security.
However individuals? Random citizens who aren't part of a platform and cannot manage their data? IMO the default should be deny data collection and do not profile.