As before, I created a new post going over the changes. This one's shorter, but if you really don't like to read;
TLDR: The nerf is rather ineffectual, though could allow other trinkets to eventually begin to supplant it on single target. Most players won't unequip CoF.
G.Legacy and Shadow-singed are still horribly undertuned, and Scourgewing is now slightly better than (it already was) before.