I would disagree. If they knew I was redoing my bathroom to sell the house and know my sink design choice is less saleable than another sink design choice, I wo

I would disagree. If they knew I was redoing my bathroom to sell the house and know my sink design choice is less saleable than another sink design choice, I would absolutely want this person to tell me as such and would pay extra money to hire a contractor who would say things like that. And then tell everyone I know to hire this contractor, they are worth the money.