Sure it'd make obsolete content a 'little easier' having 5% or 10% more MS (at max stacks, mind you).

But the point is to be a handicap for players who struggle to complete content.

Hence, the disclaimer. Let's please not argue the nature of Echo.

And memorizing the fight & 'get good' aren't sufficient answers.

You can't always telegraph every single aoe in the game.

Many are random placement or random target.