Probably because scraping by search engines is a transaction that benefits both sides, as search engines bring traffic to the content's source. "it's naughty f

Probably because scraping by search engines is a transaction that benefits both sides, as search engines bring traffic to the content's source. "it's naughty for anyone else to do it" if that everyone are companies that will be using or monetizing that content without providing any kind of attribution or compensation to the source/creator.