I don't think it's flippant at all. It comes across as very succinct and matter-of-fact to me. His focus is elsewhere, so it's not a great fit for him to work

I don't think it's flippant at all. It comes across as very succinct and matter-of-fact to me. His focus is elsewhere, so it's not a great fit for him to work there anymore, even if he is the founder.