My aim is really bad like that of a silver. I have gotten to plat from silver without improving my aim at all bc i just have decent game sense but now i cant keep with with plats. How can i improve my aim now?

Has anyone else played an iron match after being above iron for a while and noticed that iron matches can be significantly more difficult than some ranks above because of lack of communication and call outs, teamwork, ability use, afks/leav...