I found the best answer is to respectfully state the logic the change needs, the inputs to the logic and where they come from, and any trouble spots in implemen

I found the best answer is to respectfully state the logic the change needs, the inputs to the logic and where they come from, and any trouble spots in implementing that. If the reason for their view was ignorance, this will solve that. If it was malevolence, they'll refuse to budge and you'll know to run. Fast.