What is the point of the new Training Mode displaying launch trajectory?

[Gimj]

The new Training Mode looks very promising, and the trajectory showing the angle/distance at which you launch a character seems pretty awesome...Everyone's reactions instantly go to amazement when they saw this feature. But exactly what will it help us lab? What is the real benefit of knowing the exact trajectory a move has when you hit at 0 or 100%? Isn't that already obvious? I just don't see the point or the substantial value in knowing this information. I feel like I'm missing something here. What is so good about showing these trajectories? I don't get it.

The square units, on the other hand, seem like something much more practical. Yet nobody got hype for that; everyone goes insane when those "graph" angles were shown. Why?

 

[Bladeviper]

you will now know the direction they will go at certain percents. this makes it easier to do combos and follow ups