I think the concern is that the only reason that source attribution comment is there is because they haven't figured out how to better plagiarize/launder code.

I think the concern is that the only reason that source attribution comment is there is because they haven't figured out how to better plagiarize/launder code. Otherwise the tool can go in the other direction and literally say "hey how about this function from project $foo?" with a full attribution. Apparently Google Bard does bother to do that.