No because literally one shot will kill you at any time if you are actually playing how you should be. Whereas in more arena based shooters, you can take a rocket to the face and survive, CS is about positioning and placing your shots in such a way you can react faster than the opponent.
Say you're turning a corner. At any point, you can be sniped from afar by an AWPer or sprayed down up close by a rifler with either M4 or AK. Or you may just be flashed or smoked off. Or you may take a nade to the face. Or you might find yourself with no one. Rather than turning that corner with reckless abandon, you would put your crosshair, ready to deal with anyone that may be at any angle, basically scanning the entire area, checking the closest and most prominent spots a person could be hiding in.
You almost never find anyone literally putting their crosshair on positions where an enemy could in arena shooters because hiding just isn't a thing mostly because you have mobility. Pinpoint accuracy isn't much of an issue either because even with projectile weapons like spinfusors or rocket launchers, you can consistently approximate where the projectile will land. CounterStrike instead has spray patterns which you have to learn and any form of movement will hinder your accuracy. Combined with the fact that most engagements are decided within split seconds and you are limited in time (3 or so minutes), teammates (5 players per team), economy (you need to buy your gear), and mobility (250 hammer units on full sprint not factoring in bhopping which is super inconsistent and cant reach sanic speeds) you really need to be careful. Popular engagement spots usually occur in some place where both teams have fairly decent cover (bombsites, mid, places between a site and the 2 spawns, etc...)