Exactly this. The fact that a few maps and weapons dominated CS is what made it so unique, because you were forced to learn those few maps and weapons in extrem

Exactly this. The fact that a few maps and weapons dominated CS is what made it so unique, because you were forced to learn those few maps and weapons in extreme detail. When people couldn't distract themselves with fancy, shiny other things, they were forced to master those fewer things that were available (or were practical) and that many others had already mastered to a greater level than you. Your skill gap was was blatantly apparent to you and others, so you were very motivated to resolve your shortcomings.