[astura]

Yet that person can still be an incredibly pleasant person to get coffee with. OTOH, you can have absolutely nothing in common with someone and even disagree with their life philosophy on a fundamental level yet they can be a perfectly fine person to work with.

"We are friends outside of a work setting" just doesn't correlate to "we work well together." What "we work well together" correlates to is actually "they are professional and respectful, they can do their job, and they have a good work ethic."