I just think it's a deliberate shoutout since it's part of the Franklin's new aesthetic when she's given the new NX-326 gear. It would be a nice touch to have the MACO star be a thing across a smaller portion of the fleet for the first decade or two after the Federation.
The delta may have been widespread, but like TOS etc, whatever was inside it denoted certain aspects of that ship or station. Andorians, Tellerites and Vulcans could have had short lived variations meaningful to them.
The delta may have been widespread, but like TOS etc, whatever was inside it denoted certain aspects of that ship or station. Andorians, Tellerites and Vulcans could have had short lived variations meaningful to them.