Masks should be referred to as "BoJo Masks"
You see a friend and say, "I see you have your BoJo Mask on"
This works regardless of if they voted for him or not, because those that didn't want him in office won't want their mask associated with him, those who did vote him in think he's doing an appalling job and also don't want their mask associated with him.
Things will change quicker if his name is attached
Also I'd suggest a few signs on marches says "Boris Johnson, the DESTROYER of British Democracy" He wants to be Churchill, what he'll be remembered for is bringing down democracy