Wikipedia defines common sense as “knowledge, judgement, and taste which is more or less universal and which is held more or less without reflection or argument”
Try to avoid using this topic to express niche or unpopular opinions (they’re a dime a dozen) but instead consider provable intuitive facts.
Common sense isn’t just “not so common,” it is a fundamentally broken concept at its core and a crutch that people use to hoist themselves above others they feel they are better than.