You have to understand it from dev's POV.
In Valorant you have high first bullets accuracy, slower movement coz devs want more precise gameplay + engine is not that smooth like in cs thats why they decrease speed. They don't want to make this game into spraying simulator like in cs that's why spray patterns in Valorant are not full and a bit harder.
In cs you have old engine, very smooth, that's why higher speed is really OK. Also you don't have that good first bullet accuracy that's why you literally must crouch spray in 80% situations. In other way you will be inconsistent. Spray pattern is a skill but not that big as cs:go frogs want to picture. It's just learning a spray pattern mens. Like valo frogs learn how to control taps/bursts without spraying (bad cs habbit).
If you guys want to see a true skill - play movement fps games like Quake, Overwatch or at least apex.
Cs and Valorant are crosshair placement based games. Mechanically the only difference is one game has more precision, the other has no but added consistent spray pattern. + difference in engine - one smoother and faster, the other is slower. All balanced. That's all the differences.