Turrets' "buff" is practically irrelevant
So, after reading the patch notes for patch 7.23 with the sole purpose of knowing what this Balance Team did to make towers useful I just get another disappointment.
Seriously, everyone claims Turrets provide no utility whatsoever (other than providing vision and even then ...), they are weak as hell - So ... riot decides to give an extra 300 HP which is a single AA from any champion with lethality items, a nasus' Q or even a TF's card (a few examples).
Just to clear things out - This was not enough! Riot needed to compensate this because towers could "AND WOULD" dramatically increase game duration by 7 hours so they offered movement speed to minions and towers now take 60% damage from minions instead of 50%.
Riot just did exactly nothing about IF NOT the opposite of what the community asked to be done. Great ... Good Job right there! S+ Grade.