They managed to ban almost 500,000 accounts during the beta alone. Their anti cheat apparently works that is more than Valve has been able to ban during pretty much the entirety of CS2's lifetime. Give them some time to cook. I have ran into just a handful of people I suspected of cheating. Report them and move on honestly. Compared to playing a match of Hunt Showdown in 6* MMR or the average Counter strike match this game is practically cheater free. ( I know they're there, but they seem to be WAY less impactful in this game than any other shooter I play.)