And, sadly, there are still some people who equate the innocuous "using cannabis" with "getting blind drunk", two completely opposite and rationally incomparable extremes.
Suspect was a German guy who also attacked a Brit earlier the same evening, would appear to be a random nutcase but that's just from the limited info in the article
There was this info that you conveniently omitted...
"The German attacker roamed the area for hours after the assault before being apprehended by police".
Slapstick? Huh? "Ham actors"? What? The only police involved in this were real police officers. So, to use your words, what an absolute nonsense! [sic].