To be fair to Mercer he was in the army so has some real world experience but he now seems to be well and truly part of the Westminster swamp, as the tweet below shows.
Most of us are at work well before 9 AM. In my line of work 7 AM is the norm yet Mercer describes a 9 AM meeting as "early morning." Hell's teeth man - do you realise why those who pay your wages, poor ordinary taxpayers, feel about such a comment? Do you understand why folks despise MPs so much?