Society already outlaws or regulates many things to prevent people from hurting themselves. People are not capable of fully understanding all possible choices

Society already outlaws or regulates many things to prevent people from hurting themselves. People are not capable of fully understanding all possible choices in a fully unregulated system, and even less able to consistently act rationally in their, or anyone's best interest. It is the responsibility of any lawmakers, engineers, experts etc. to design our systems to be safe, transparent and to set the occasional boundary where reasonable.