Refs who stop fights to early : The most annoying thing in boxing ?

[CFH]

Too early?
Cooks relatively young and there's no need to let him go on and continue to get hammered.
He was done.

Your JMM comparison does not work and here's why.
JMM at NOT point did he look groggy or out of it.

knockdown#1 JMM get's up at the count of 2.
knockdown#2 JMM get's up at the count of 2.
knockdown#3 JMM get's up at the count of 8.
(I'm certain JMM could have gotten up sooner but he was leying there just thinking to himself... Ohhh! shit I better get it together)

So you see the knockdowns JMM suffered were not as brutal and devastating as Cookies.

You said and I quote:
"He gets knocked down (Not particularly heavily) twice"

Watch knockdown#1 and notice how he's trying to get up by holding on the rope and notice his RIGHT leg kicking a bit trying to get it to go but it wouldn't which is why it took him until the count of 9 to get up.

For knockdown#2 he goes in dive mode and almost lands face 1st on the canvas but his forearms hold him from that. He beats the count but you can see he's hurt. To let him continue would be like to tie his hands up and let Martinez take free shots.

I just think it would have been useless to let him continue and yes this is boxing BUT a boxers safety comes 1st and he'll be fine. He goes home losing the title and nothing more which he should be thankful for.

This.

Cook was finished, he was badly hurt both times. The ref did the right thing and I can't believe someone would complain about it. Any decent ref (Smoger, Bayless etc.) would've stopped that fight.