I am extremely concerned about Bone Plating because of a certain defensive item abusing class

For those of you who haven't seen, on PBE there is an all new Resolve rune to help people want to take Resolve more and hopefully help out bruisers. The rune is called Bone Plating and it does the following:

"After taking damage from an enemy champion, the next 3 spells or attacks you receive from enemies deal 20-50 less damage. Duration 5s, CD 45s."

Like many of you, I initially saw this and thought "hell yeah man, bruisers will hopefully be getting some mouth to mouth because the last time they got any action was 3 years ago and then they died." Then I looked closely not at what was there, but at what was missing. There is no reduction to the effect for ranged characters.

Knowing what we know about how ADCs abuse defensive items above Doran's Blade, this shit has the potential to spawn another meta like Relic Shield. Resolve's power is now split, meaning if you take Precision + Resolve you get something like 60 health. I honest to god think the local Kog'Maws, Tristanas, and Twitches will spec into Resolve for the 60 hp plus this thing. 45 second cooldown basically means you can trade every single minion wave, having higher hp and taking 60 less damage level one for free. I really hope I'm wrong about this, but I also really don't want to go through another phase of having to deal with this as an assassin player or being called a troll for not taking Resolve secondary when I play ADC.