Is the amount of people that doesn't know how to use in-game sounds like foot steps, reloading, ability use etc as and indicator where the enemies are... it's honestly mind boggling sometimes how much people could Improve their game sense a...

I use 3200 dpi with 1.1 in game sens. My friends say its too damn high but idk why I cant use anything below that and I feel like the mouse is fighting me. Any suggestions?