The Speaker is the servant of the House, not its master. It is not a role that comes easily to 'I wanna be a sleb' Squeaker John Bercow. You see, he's a small man, and I've had the same nonsense from small men for most of my working life.
As a big chap I'm a bit like a benign Labrador. Children can pull my tail, cats can chase me away from my food bowl and I regard it all with good-natured tolerance. Even when little, irritating, yappy dog-things with delusions of alpha-dogness run around my legs yap-yapping away, I'm rarely tempted to swallow them. Bercow is one of those irritating little yappy dog-things, obsessed with alpha-male status. Like most small men, he means trouble. I'll always avoid having a small man on my design teams these days; they're always more likely to cause discord than big men.
Tip for MPs; when you elect the next speaker, if they're male, make sure they're over 5'9" tall.