It does seem pretty clear that if the 'manifesto' had been about the professional limitations / propensities / etc. of people based on their ethnic origins it w

It does seem pretty clear that if the 'manifesto' had been about the professional limitations / propensities / etc. of people based on their ethnic origins it would have been obvious it would lead to firing. Not that there are lots of credible, peer-reviewed studies that could be trotted out to support that claim, just in the sense of how it would make your coworkers feel.