GDPR violations result in fines. It also applies to entities engaged in commercial activities.
You are foreign to me and in fact a lot of misinformation and propaganda comes from the US. I would not block access to US media.
You still haven't answered what would to the Lemmy instances you currently use and allow anonymous (email as verification is not very hard) posting.
Nothing, he will be dead. Anyone that NSA would bother to use their new and expensive quantum machines on will be an organization that should know better than to be compromised by decades old secrets getting out.