I would align with most of these being relevant British debates, but really; making tea?? MILK FIRST OR LAST???? This is NOT a debate if you're British!! π€
Topics that make British people argue to the death:
Scones - jam or cream first
Pronunciation of scone
What baked beans belong on
Fry up rules
Roast dinner rules
What goes on chips
Milk first or last / how to make tea
Traffic rules (particularly merging)
Ketchup - fridge or cupboard
What to feed ducks
Where the north starts
Best and worst biscuits
Grammar - particularly commas
Dinner or tea
Shoes on or off in the house
Name of bread rolls
Self-checkouts - good or bad
Cyclists
Football
Anything to do with politics