Vennell's passivity when there's a can to be carried has been noticeable throughout. It's always: "I'm just doing what I've been advised by others, just passing on what I've been told by others."
Alice Perkins gave this as the reason Vennells was considered poor in the role and possibly ripe for sacking.
It's an immensely successful strategy for climbing the greasy pole, because you always present yourself as the friend of the person you're talking to right now – together against the cruel world! But of course it's just manipulative twaddle.
nauticant, your "mean girls" description seems spot on. I do keep trying to look at it from additional angles, so as not to miss anything, but... yeah. Since you first mentioned it a while back, I've been unable to unsee that.