It's looking like there might be some legs to Dev biting Sargon's hand, I don't think this could be misinterpreted as friendly banter. It's classic SFO passive aggression on display:
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I think Dev is being very unfair here, given Sargon made no mention of professional conduct but purely of comfort. You can still behave professionally towards somebody you find totally distasteful while still showing (consciously or not) a lack of comfort, which I think is more what Sargon was thrusting at. Dev wouldn't be Dev it he could act in good faith or offer fair interpretations though.