I really don't understand these Ahri nerfs

I mean her mana is pretty gated early. She has to get close to proc her w and ult to which she is super squishy to balance that out. And all the while she can't one shot until at least an item or two and has to be ahead, besides the fact that her damage is primarily enabled through skillshots, and even then the most important one is blocked by minions. But then again I use morellos/ludens and play her like a kite mage instead of abusing gunblade.