Not sure the emotive language is warranted. Message appears to be “if you use robots.txt AND archive sites honor it AND you are dumb enough to delete your data without a backup THEN you won’t have a way to recover and you’ll be sorry”.
It also presumes that dealing with automated traffic is a solved problem, which with the volumes of LLM scraping going on, is simply not true for more hobbyist setups.
It also presumes that dealing with automated traffic is a solved problem, which with the volumes of LLM scraping going on, is simply not true for more hobbyist setups.