Your website can now opt out of training Google's Bard and future AIs
https://lemm.ee/post/9700700

Your website can now opt out of training Google's Bard and future AIs - lemm.ee
It’s just a robots.txt flag that explicitly mentions a google user agent string. This is about as effective at stopping AI from training on your data as a “no trespassing” sign hidden behind the hedges of your unfenced lawn is at stopping trespassers.