Crazy idea, why doesnt a 10x pull of Bond Treasure give a garantee of sorts?

Every other 10x pull of treasures garantee a 3 star ninja, so why not make a 10x pull of Bond Treasure to garantee a 1 star ninja?

This would help new players to get a more diverse roster to choose from, and if you already have the ninja you only get 5 fragments anyway, so it wouldnt hurt anyone.

And for higher level players, it would be a way of helping to increase the stars of their weaker ninjas (maybe getting them 3 or 4 stars), 5 fragments at a time, since no one actually farms for them.

Before anyone says we are not supposed to have that many 4 and 5 stars ninjas by now, remember this math.

The game will give you the 1 star ninjas and help you get them 2 stars with ease, but to get them from 2 stars to 3 stars you need 50 fragments so it would take you 10 x10 pulls and always getting the same ninja to get them 3 stars.
If we talk about getting from 2 to 4 stars it would take 30 x10 pulls and always getting the same ninja.
And from a 2 to 5 star it would take 80 x10 pulls and always getting the same ninja.

Not to mention we have around 13 one star ninjas, i think, so it would take months before you could even 4 or 5 star a ninja, even with the amonght of free bond scrolls we get every day.

Also doing x10 pulls of Bond Treasure to get 3 or 4 awakening items and the rest bread or ramen is useless to even bother, might as well remove the treasure from the game completely.