Not bearing witness to the splendour of Hallucinogen isn't a big deal really in the same way not appreciating the genius of Beethoven is no big deal.
Personally I still remember walking into my local record shop in 1995 and hearing Twisted playing through the shop speakers. I was already into Total Eclipse, Juno Reactor, etc. but what I heard completely blew me away. I asked the guy at the counter for a copy only to be told it was a promo copy and it wouldn't be released for another 2 weeks. I ended up hanging around the shop for another 45 minutes pretending to browse through CD's but really listening to this new and amazing music. Two weeks later my copy in hand, a friend and I took magic mushrooms and we played Wipeout on the Playsation while Hallucinogen thumped through the stereo. I've been in love ever since.