So why Zed and Kind gets compensation for nerfs but Yi got straight forward dumpstered?

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Zed too, and Yi doesent even dominate bots right now.

Master Yi W ratio up. E damage up. Master Yi’s been on a bit of a wild ride when it comes to the patch notes, but now we find the Wuju Bladesman pretty far behind the curve. Specifically, changes to Guinsoo’s Rageblade and the removal of Sated Devourer’s got Yi feeling pretty confused about how he should be building in a post-midseason world. With Sated’s magic proc gone (and Bloodrazor’s damage being entirely physical), armor’s better protection against Master Yi than it’s ever been. Coupled with some changes to the new enchantment, tossing some power back in Yeezy’s true damage will help him melt through sturdier targets when he can’t reach the back line. W - Meditate RATIO0.15 ability power per second ⇒ 0.25 ability power per second E - Wuju Style TRUE DAMAGE ON-HIT12/19/26/33/40 ⇒ 14/23/32/41/50

http://www.surrenderat20.net/2016/05/patch-610-notes.html