What´s the reason why I can´t have more than one Matrix Cube at a time? First you spend a lot of time collecting the shards and then you realize that it was for nothing. Who would it hurt if you could make two cubes after you have spent the time to find all the shards?

It would be nice if I could send my leftover commendations to other characters in my legacy. Now my inventory is just full of unused commendations that my other characters could use.