Ive done the same thing before, but only chams and wallhack makes you a better player when legit. What it dose is even thought your not hacking naymore, your still(consiously or not) prefireing, and pointing your crosshair to where you usualy see people in chams when you round a corner, it also gets you into the habbit of listening for footsteps.
B4 i started using pub hacks, i had a .54 kdr(noobish i know), but after abiut 3 weeks, CA got an update and hacks were patched, so i played legit, expecting to get owned, but i got better(then i did with hacks. I now am legit and have a 1.06 kdr with a CSM 1.