I'm not sure if you're being sarcastic, but I thought the closing line was terrible. It's a very complicated issue, and not something you can just say to avoid.
Check that. I would like to suggest that wisdom from the prehistoric days of programming seems to fit best here: 'Use the right tool(individual) for the task' Nothing else is relevant. The only subject worthy of discussion in an interview is can they do the job. If the answer is yes then you can solve 'other' problems after they become a problem...
"Have someone screening applications. That person also removes anything that identifies protected characteristics" is one tip. (In the UK those are age, disability, gender reassignment, marriage or civil union, pregnancy and maternity, race, religion, sex, and sexuality. In the US they are race, colour, religion, national origin, age, sex, sexuality, pregnancy, citizenship[1], familial status, disability, veteran status, and genetic information.)