I think the biggest issue with this is that you leave yourself open to bias. The person you're most likely to enjoy food/drinks with is the person you're most l

I think the biggest issue with this is that you leave yourself open to bias. The person you're most likely to enjoy food/drinks with is the person you're most likely to be friends with. You'll end up with teams hiring via popularity, and possibly excluding those from other cultures or who have different personality traits.