Personal Opinion: Turrets take way too long to clear minions, especially early-mid game
Maybe I'm just being a bit pedantic, but I've watched top get ganked while I'm walking back to lane myself, get killed, then the jungler and top laner take tower before the towers managed to take out the melee minions.
I get the whole "towers protect you early and you protect them late", but honestly that's cold comfort when I die one time after avoiding 6 ganks, then watch as all my chipping to their tower is undone because they got a gank in.
Maybe minion kill speed doesn't have to be increased, maybe give the towers a stacking defense buff for each nearby enemy champion - each nearby allied champion, or have them fire an extra shot.
fuck that lol