You Guys Are Overreacting
"OMG Nasus can 3 shot towers late game!"
OK.
(Since you said it takes Nasus 3 Qs to down a tower late game) Math = MAXED Q Cooldown with 40% CDR = 4 X .6 = 2.4 seconds X 3 = 7.2 seconds to destroy a tower.
Any AD melee who builds damage, lets take Yi for example:
With Highlander and
and
he gets damn close to the 2.5X AS. Let's assume he got there for arguments sake. He hits 400 AD easy late game. You cannot crit a tower so this is 400X2.5 = 1000AD per second. Now towers do have armor. I'm not going to go heavy into the math; so lets say you do only 50% damage to a tower. 500AD/sec. Turrets have what 2000HP? 2000/500 = 4 seconds.
I understand my math is over simplistic, but it is within reason, even if the numbers are higher my argument is still valid.
You read that right. It takes an AD champion 4 seconds if max AS to down a tower. if champion has only 1.25 AS (very unlikely) the champion can still down a tower nearly as quick as Susan.
So WTH are you all complaining about? I get it looks cool when the tower HP disappears in one second but and AD can do the same goddamn thing.
Edit: As per Lord Dusteon below, I edited that Pen doesn't work on towers. BTW check out his math below. Far cooler than mine.
YOU CAN BITE TOWERS