You're choosing to interpret the analogy outside of the bounds implied by the argument it is supposed to relate to. In which case the rebuttal to your argument

You're choosing to interpret the analogy outside of the bounds implied by the argument it is supposed to relate to. In which case the rebuttal to your argument is as simple as adding another arbitrary layer of assumptions that do not generalise, in order to restrict your use of arbitrary assumptions that do not generalise, e.g "the government will not allow that split, back to discussing the original scenario."