There was no evidence that the captain was "fastidious", apart from the evidence that he was dead and the social requirement to not speak ill of such people. If anything, he was the opposite. (I don't adhere to the aforementioned social requirement, which is why Mahon was an idiot.)
the tone of the debate is lowered immeasurably by the veritable litany of such aspersions. There are sufficient offensive references in the above post
to warrant anyone with a half reasonable approach chairing a meeting to require a retraction or failing that to order the suspension for at least a lifetime of the offender