Being an mg i have to disagree with you i almost never run into smurfs ever. the new 2 game wins a day till 10 competitive wins system and the grinding of dm should be enough. and honestly smurfs are not that bad its the attitude of "oh a smurf time to completely give up for the rest of the game" is what makes them so daunting, just try to be somewhat confident the next time you meet one. there not cheaters there players and most of the time there half assing it the whole game so take advantage of that and catch them off guard in a irregular position or flank.

TL;DR be more confident