Going to the same route as WoW. The game is TOO easy

[Orbus]

Enrage mechanics from a logical standpoint is kind of weird (if they can use this one shot attack to instantly end the fight, why don't they just use it from the start???), but yeah they're there to make sure it's an actual fight instead of a war of attrition of raising your dead raid party, who were doing no dps, who then are in a weakened state and do far less damage making the fight take even longer and you basically just throw your bodies against the boss for an hour until the fanfare music plays.
And really, who wants to win doing the latter.
Who can even have fun doing the latter?
It would literally be faster to restart the whole fight and start from the beginning than to slog your way kicking and screaming to the end with half the party dead and the other half with the brink of death debuff.

[Shurrikhan]

Enrage mechanics from a logical standpoint is kind of weird (if they can use this one shot attack to instantly end the fight, why don't they just use it from the start???)

Admittedly, I'd prefer to see at least a fair portion of fights where you're truly trying to outsmart the enemy (albeit with the benefit of having unlimited retries) instead of merely being forced to dance as s/he demands via stick (lethal AoEs) and carrot (the convenient hiding spots s/he also created), but ultimately there's a good reason for the increasing, rather than decreasing difficulty over the fight: it works. People tend to prefer to add on mechanic A, then B, then C, then D, then E, and then reprise A, B/C, D/E, etc., than have mechanics ABCDE all at once, or the ultimately hardest mechanic Z thrown at you right an the start, such that the rest just feels like laughable trickles of former difficulty that you need only survive the tedium of.