I suppose I shall get hammered for saying this....but that design is butt ugly to me.
It is just down right gaudy looking....but to put the flag on an airplane as busy as yours is....is a very difficult task to accomplish.
Flying the flag is right and proper...and if it triggers the "woke"....do it with Reheat in full blast please!
The important thing is doing displays and showing the Flag.....and brings credit to the RAF.
Here is something that has become very popular at our Air Displays.....Legacy Flights combining generations of aircraft together in a single formation.
https://cdn.dvidshub.net/media/thumb.../1000w_q75.jpg