You gain the chance to sell the product to the adversary that also is your customer.
You gain the tacit approval of the product from an adversarial government customer, which signals other enterprises in the country they should feel comfortable buying the product.
You lose the chance to sell to everyone else that considers the adversary a threat, because you have made it easier for the adversary to attack or evade your product than those of your competitors.
You gain the tacit approval of the product from an adversarial government customer, which signals other enterprises in the country they should feel comfortable buying the product.