Earlier quoted context omitted.
Yep. For years we loaded up web sites with "microdata" tags and attributes in the hope that they would drive traffic. All it did was train Google's AI so people would never leave Google.
Considering that LLMs will give increasingly better sources for their stuff you still want to make it easy for Google to index your stuff. Also keep in mind if your site is better indexed by crawlers you can literally influence future LLMs
Complete with a small mistake I made in one (that has since been corrected) which is now impossible to get rid of, because every LLM reinforces it, and slop generators in turn keep generating text which reinforces it.
Rather amusingly, I had a real life argument with an acquaintance once who cited this to me to tell me I'm wrong. I let him know I'm the one that originally wrote the article, made the mistake, and later corrected it, and pointed him to the original citation (which is in a print book that, for whatever reason, has not ended up in any training sets).