I would personally never do what he did myself and would recommend other guys not to do that either. We truly don't know whether she gave consent or not
I agree that when with a stranger they should be sober to give consent it's not always that clear cut https://www.buzzfeednews.com/article/katiejmbaker/meet-the-expert-witness-who-says-sex-in-a-blackout-isnt "Fromme, a clinical psychology professor at the University of Texas at Austin, has testified in, consulted on, or provided depositions for more than 50 criminal, civil, and military cases since 2009, the majority of which have involved men accused of sexually assaulting drunk women. In all b…