Condescension is death to all relationships, I expect. It’s certainly hard on proposal-team coherence.
Diversity is our strength? Well, maybe. But when the teams include retired military and life-long civilians, and technical and seriously non-technical personnel, there are lots of opportunities for disrespect to rear its ugly head. Preventing it (ideally) and dealing with it when it does arise (inevitably) are two tasks they don’t mention when you get press-ganged into proposal management.
On a lighter note, mansplaining *can* be funny, and so it was this time. Right after my blood pressure subsided.
And on a helpful note, here’s a training flowchart on this very subject: BBC Worklife.