depending of the skill speed hagakure was making the whole cycle a mess, the timer wasn't matching with all the skill we was using and often i was in position where i had to use hagakure while having still tons of kenki...
honestly it's a good change, the main focus of the samurai must be his iajutsu and his kenki usage more than burn sen and loose iajutsu for use kenki skill.

in a sense our iajutsu will be our gcd rotation and kenki will be used for everything ogcd and our work will be to balance the two for get more and more dps.
we can say it make the jobs simpler, even if i will more say it make smoother and more fluid in the execution.... maybe we will less see people say, /delete samurai and ask for samurai to come for raid because our dps will be top notch.

finally i want to add this, hagakure never did add deepth to the jobs, actually it was more like something throw in middle of an engine for mess it up. we can even say that it was the worst of the sam skill in many way, it was extremely affected by our attack speed when our goal is to be still fast enough for ditch a lot of damage... and more important it was creating a situation where our more important dps skill is ditched for ogcd skill mostly because it was more damaging... making midare setsugekka that was means to be our hard hitter skill, less important...

like said, them goal was probably to smoothing the kenki generation and make the iajutsu more important for us.... what explain the add of tsubame-gaeshi, because let's be clear this skill give us a burst insane, you can probably throw:
- Hissatsu: kaiten > midare setsugekka > Hissatsu: Seinen > kaeshi setsugekka > hissatsu: shinten

what will be a very strong burst... we don't know how all the new skill will weave together... but i doubt we did loose deepth... we did get more choice with hagakure out of the picture.