Off the top of my head. Say there are five new members. Planet A’s uniform is worn for half a year, then the Bs get a turn, and so on and so on…

Remember the argument the creators had about giving Patrick Stewart a wig? One said said that in the future there’d be a cure for baldness, and the other side felt that in the future people wouldn’t care about baldness.

The new races would see that it was a symbolic thing. Kind of like teams wearing pink to support breast cancer awareness.