Nasus WTF were riot thinking

Okay i understand Nasus is meant to be a late game monster and that's fine it gives the other team time to actually keep him behind or prepare but WHAT THE ACTUAL HELL were they thinking giving him a Q that's on literally no cooldown for free, giving him the ability to be a 50 minute Nasus at 20-25 minutes if hes just half decent, its completely unfair that he still gets to keep all the power on his W and his E and get that insane buff to his Q it makes a late game scaling monster unbearable in the early-mid and mid game, they need to take some power away from his other abilities or look at that Q because its completely ridiculous trying to fight or kite or do anything past 15 minutes to Nasus without needing your whole team to focus on him. One single champion shouldn't demand that every person play around him and him only and Nasus does that with little to no risk to himself, fall behind in lane, you still have late game, get ahead in lane, now no one can do anything to you between your dumb Q damage, lifesteal, safety from wither, armor shred with spirit fire and insane health and damage aura with ult, They really overtuned him and need to go back and look at changing his numbers around or getting rid of that absolutely overbearing Q while he is ulted.