It's not a hard problem to solve. Post a blog post, say include this word in the subject line if you want your request to be considered, route those emails to a separate folder.

Whether there's a thousand spam or a million spam is not at all relevant.

Based on the example emails he posts, the AI bot is NOT scraping his website to individualise the messaging. It isa bulk approach based on ai summaries of the actual books

These scams are a variation of the Nigerian prince scam; they rely on volume mostly