Despite the mass unsubstantiated hysteria about XTC deaths, early 90s raves were quite a tame affair. ( I was born too late unfortunately )
Sure most of the crowd in the video are off their faces, but they're overwhelmingly -- aside from a few Afro-Carribeans -- White.
And there doesn't seem to be any risk of mass gropings or getting blown to bits.
Apart from the nasty comedown the next morning, they had little else to worry about.