If the reasoning behind him being selected for the keynote was his race, then it is a poor reason for choosing him - but that's a justification for rethinking t

If the reasoning behind him being selected for the keynote was his race, then it is a poor reason for choosing him - but that's a justification for rethinking the process for the selection of future speakers, not for changing the speaker after he's already been chosen. Either way, the justification that a technical blog post caused "discomfort" to some of the team (what does that even mean?) is bullshit.