Exhaust nerfs are very welcome. The armor/mr reduction removal makes sense, but as for as debuff...
Why did you remove Exhaust attackspeed debuff and not the %dmg dealt debuff? Attackspeed reduction made a whole lot more sense and was more fair and balanced, how does exhausting somone make their magic burst you less efficiently? Wouldn't it make more sense that they're too tired to swing their sword around as quickly? Also isn't Barrier for dealing with burst? Exhaust should be for slowing people and peeling for your carry, no?
There's a reason exhaust midlane is so opressive. When you're playing a burst mage and the enemy support just barely gets exhaust off on you as your ult hits and it does half damage, that just sucks. When you're playing an adc or a toplane bruiser and you get exhausted, you can at least back off until it's over and then reengage after its duration without worrying about long cooldowns being blown. You don't automatically lose the whole fight because of a summonerspell you can't react to or counterplay against.
Not to mention, exhaust is so strong right now, it's not rare to see mid and/or toplaners take it as well. Now it will make far more sense to use it midlane against a burstmage or toplane against a bursty adcaster than it will be for the support to take it for extra peel and 2v2 dueling potential.
It makes no sense gameplaywise or thematically... When dealing with burst, shields should be weapon of choice, not be some summoner spell that's always primarely been used to deal with autoattackers.
