Little crack in one arm under motor

[Bigdz]

There it is people, check the other thread this is crazy

 

[Bigdz]

Is this how it come from the factory?

Does it matter blade? This shouldn't be happening! 27 flights no crashes, this is obviously a design issue. That could potentially cause a crash if one is not aware of it.
How you ask? Crack increase mounts serve no purpose and end result could be disaster.