It seems to me that the UFP could run into a starfaring civ with equivelant (or superior) FTL that wasn't Cochranian warp drive, and the PD would technically require them to have no relations with said civ.
This ignores all the other problems with the PD. But this particular implication of legalese occurred to me today.
This ignores all the other problems with the PD. But this particular implication of legalese occurred to me today.