I am always queued with the best players that know what to do in any situation , will always know what position you take and will totally headshot you if one pixel of your hitbox shows up on their screen. Why??? Can somebody explain?

I main supports because people instalock 2-3 duelist. I figure ok, I’ll try to support them the best I can so we can at least have a better chance of winning the match... but towards the end of losing, I get flamed for being bottom frag or...