If the system is owned by someone else, it's equivalent to entrusting all your safety into their hands. Unless there's no other choice, it's unlikely to be agreed upon.
"Can we consider it this way?" Zhou Nayi proposed, "Shirian first displays the practical effects of the Super Mecha in this exchange competition, creating an urgent desire within the major military schools. This then stimulates EMP to import the Super System as fast as they can. Since this system must pass through the Murphy family, they can use this opportunity to make demands. For example, using all or at least part of the Super Mecha in S11. The superior performance of such Mecha would theoretically dominate the S-competition. This would, in turn, incite public opinion, creating a state of urgency and exerting pressure on the other three federations to gain the advantage and initiative in negotiations."
"Sister, you're incredible. You think exactly like Kevin." Cheng Konghai admired.