Alcohol is not safe
Alcohol kills people
If this idiot pilot had been over the drink-drive limit he would still be as dead and his poor passenger too.
The Ecstacy element of his foolishness is taking too much attention away from the fitness to fly issue. It then runs the risk of concealing the broader issues implicit in IMSAFE, something that some pilots only realise they have breached in retrospect after a close call or worse.
Self-awareness of one's present condition is difficullt to maintain. (If someone has recently take drugs they are more likely to be aware of their impairment than someone worried about work or relationships).