Trinket Dragonspine Trophy

I have read this post and still have a question.

My snap shot ID : 3bae165512884bf7a9ea40c07b24ebd8

My question is:
Why will it change my Dragonspine Trohpy out ? That should be bis for all of TBC

The answer is pretty simple and probably not that satisfying to you: Our calculations don’t think it is BiS. I know it has long been a preferred trinket for hunters, but I don’t think it stacks up as well as others think it does.

In reality, the margins between different trinkets are so small that you’ll never be able to figure out “for sure” if our calculations are right, or if some other person’s calculations are right. It is impossible to get an empirical answer. Feel free to lock it in if you prefer it.

Here is what I fall back on: the calculations our site is doing seem to pick all of the other gear that people expect it to, so our suggested gear in this case is most likely going to be good.

Thank you very much for the answer.