“I think the weakness with this and [Creative Commons’] similar proposal for ‘preference signals’ is that they rely on scrapers to respect these signals out of some desire to be good actors,” White continued. “We’ve already seen some of these companies blow right past robots.txt or pirate material to scrape.”

There’s the problem. Anything that’s publicly available on the internet either has already been scrapped, or will be scrapped, even Lemmy.