There are no goal-posts that are both sides will find acceptable in these discussions.
As a general rule i have found it almost impossible to 'change' someones mind, you can influence an undecided person, but changing someones mind is generally a waste of time.
Unless you have financial incentive to do this, you're going to be running this at a loss, let the 'fixed mind' party take the hit of being wrong.
What are you comparing this to? A person skilled with an IDE?