I've seen a few posts of people complaining of an increase of noticeable cheating in their games in the past few months and I personally agree however, the reason I'm posting how stupid it is atm with the cheating is that people are lasting...

Silver and below I rarely see people use them. Are they used a lot more in high elo? Every other game or every game? I'm probably going to learn a lineup or two to help me rank up but I'd like some perspective of anyone in higher ranks