I think that would "only" affect the broader foreign policy.
My take is that arms trade is a good business (my assumption) and unprincipled foreign policy could see more indiscriminate trading taking place. I.e. the opposite effect.
And what's the point of having US weapons, when USA won't give you ammunition because it decided it would be escalatory? Swiss arms industry is having same problem, but there it is stemming from neutrality of Swiss government.
I think that would "only" affect the broader foreign policy.
My take is that arms trade is a good business (my assumption) and unprincipled foreign policy could see more indiscriminate trading taking place. I.e. the opposite effect.