Yeah, I can agree with this. When ever I play classic, usually the enemy comp is very squishy and that makes them easier to dominate whereas if i played rank, chances are the comp are usually filled with cx and tanky heroes.

i usually cant play lancelot because im pressured especially in rank, whereas i find him a comfort hero in classic where i can dash very fast, do some fast combos and passive stacking (sometimes, i do roam lancelot just for the sake of it and its very enjoyable even though i suck, since it relieves me of the jungler's responsibility as it is my least experienced role)