Coming from csgo what should i expect? (If you are any familiar with csgo you will know that valve matchmaking is unplayable due to amount of cheaters and the only way to enjoy 5v5s is faceit)

Hello, something I wanted to ask was why my aim in DM is way better than normal comp games. I counter strafe in DMs and hit headshots and one taps so much and all, yet when I go into a comp game sometimes the same thing happens, and then I...