[nec4b]

Maybe for you driving is optional, though I wander how food gets to your store, but for a large number of people is a necessity.

[datadeft]

Can I also claim that taking LSD is a necessity for me to have my well being?

Who decides what is a necessity and what is not? I would say that the harm rate could be a good indicator what a society should tolerate and anything that is less harmful what is tolerated should be legal.