Graves' interaction with Infinity Edge should be fixed

Atm it's not worth taking IE over ER. For a standard champ IE increases their damage on crit by 25% (250/200).For Graves it's different, because of his passive. At lvl 18 his autoattack can deal up to 200% AD (all pellets hitting 1 target). A normal crit will deal 373% AD: 140/3=46.66x5 (for 5 pellets beyond the first)+140 (the first pellet) A crit with IE deals 426%: 160/3=53.33x5+160 426/373=~1.14

This means that building IE on Graves will make you deal 14% increased damage on crit compared to a normal crit. I propose that formula for crit damage should be changed. Currently it makes damage of a single pellet increased by 40%x(1+bonus crit damage)AD. It should stay at 40%, but any bonus crit damage should increase the number of pellets (like in pre 6.8), with IE adding 2. This would make his IE crit deal 466% AD and it would increase the damage per autoattack by exactly 25%.

I'm sure this won't make Graves OP. Lethality will still be the best option. However it might add a new way to play Graves. I hope someone at riot sees this, because IE is the only thing that stops crit Graves from being viable.