The reason why there's so much emphasis on this is liability. That's it. Otherwise there's really no point.
It's the psychological aspect of blame that influences the liability. If I wanted to make a dirty bomb it's harder to blame google for it if I found the results through google, easier to blame AI for it if I found the results from an LLM. Mainly because the data was transferred from the servers directly to me when it's an LLM. But the logical route of getting that information is essentially the same.
So because of this companies like Meta (who really don't give a shit) spend so much time emphasizing on this safety bs. Now I'm not denigrating meta for not giving a shit, because I don't give a shit either.
Kitchen knives can kill people folks. Nothing can stop it. And I don't give a shit about people designing safety into kitchen knives anymore than I give a shit about people designing safety into AI. Pointless.