Trinkets have always been powerful and have always been an item that people will bank DKP or brown nose an officer on the loot council for. Both weapons and trinkets have the most single effect on a persons dps in the game. Weapons are obvious as to why and trinkets add a "fun" component to your armor aside from more stats. Trinkets are getting out of hand but that's more of an ilv stat bloat than anything else. If you're lv 60 and have a comparable proc your dps might go up a hundred? Which isn't anything at all but when you're level 90 and get your proc and you get 10's of thousands of dps (not counting the opener) while comparatively it's the same your initial thought is "OMG BIG NUMBERS!"
And speaking of big numbers that the thing that people play for and why a lot of people play with damage up so they can see themselves critting like a BAMF. Pulling insane dps is why dps enjoy playing the game not sitting in a raid of people doing 200k and pulling 20k...
People enjoy having control over their character. That's where skill comes into play is knowing how to line up your abilities with procs and what not. When you have a possibility that your CDs just came up and your trinket can either proc now or within 90 seconds there's no way that you should logically hold onto your CD because then you have a high risk of getting less major CDs in a fight which is an even bigger loss of dps.
Randomly being awesome for no other reason that luck is stupid. There's no skill involved at all.
Being awesome because you're awesome is so much better because then you know that you topped those meters because you played like a champ and you nailed everything you were supposed to. You didn't screw up your rotation once and you made sure all your stuff lined up perfectly.