I think there's a wide gulf between "said something that someone on the internet construed as racist" and "demonstrated bias against some minority"... But past

I think there's a wide gulf between "said something that someone on the internet construed as racist" and "demonstrated bias against some minority"... But past that, the general principle you advocate seems to be "try not to hire people who will not be able to work with others", right? It doesn't matter whether they're biased against minorities or non-minorities, as long as they're biased and will be acting irrationally in ways that piss off those around them.