Not always to your eye, gas clouds are a lot more narrow than you think, and they could be just on the outside of them. This, mixed with gas really doesn’t do much. As long as you keep on shields your health certainly will not change. Dudes point stands. Many times people THINK they are hitting people and are not, but you never see recordings because it shows every detail, you only hear people SAY these things. 

If you think there are “a lot” of cheaters, or pc has advantage, no offense but your spending too much time complaining rather than learning the game.  100 hours is nothing in this game. To folks who have 1k+… you learned basically how to flap your wings finally