The reason that is true about Saudi Arabia is because nothing else that Saudi Arabia does gets any reaction except tacit approval from the US, and they paid absolutely no price for Kashoggi, either.
Right now, the US is screaming about the veil right after recriminalizing abortion. Meanwhile:
Saudi woman given 34-year prison sentence for using Twitter
These stories get a little attention from the press ostensibly because they're about speech, but knowing modern journalism it's really because they are about Twitter. Women getting executed for infidelity? Not news.