My favorite argument is the seatbelt argument. If car dealerships sold cars without seatbelts, but charged $1,000 to upgrade to included seatbelts - how many pe

My favorite argument is the seatbelt argument. If car dealerships sold cars without seatbelts, but charged $1,000 to upgrade to included seatbelts - how many people would die due to it? Your point (if we take this discussion in very very good faith and keep it theoretical) is similar - will people make the best choice for themselves, or is it better to have rules/requirements to push them towards decisions that will benefit them?