What DICE/EA going to do about cheaters? Since happening in beta already

Cheating is inevitable in an online game and especially in a beta. Devs can only do so much without completely invading players privacy and fighting cheating is most of the time a reactive battle.

Bf3 and bf4 also had plenty of issues with cheaters as well and if you open battlelog (yes it still exist) and read the forums, most threads are about cheating. Fair fight wasnt exactly the top of the anti cheating tools either. I think you just have forgotten.

This beta is not better nor worse than any previous title but the net code in the beta is not great so many deaths feels like something is off when its not. Turn on performance graph showing damage stats and you will see many (most) times you are hit where the netcode is having delta tick issues. Result is that you feel it as one shot or shot after you get into cover when you in fact was shot by 3-4 shots before you got into cover.

If it bothers you so much then the best solution would be to stick with single player games. No cheating there at least.

Even if it's as you say, it's frustrating to constantly die on the floor. Netcode or not, it doesn't matter to me.
But it doesn't matter anymore. The frustration is already palpable after a few hours, and that's why I probably won't buy the game for now. I think since EA and DICE were happy about every player who played 2042, they only banned a few. And once the image is ruined, the "normal" players won't want to play anymore. Because after every death, you think: cheater.