How much sense does lowering Ez Q cast time make with attack speed

It doesn't make sense because he is using a device to shoot energy, it's not like Yasuo that just swings his arm.

muramana being a junk item is more important. They should just remove the mana cost all together from his q and change the cooldown

ezreal is supposed to bring a high poke to his team, that's his niche his niche isn't supposed to be a hypercarry in teamfight