Most of your examples are designed to prevent unqualified people from hurting others, the main exception being the regulated drugs one. This raises the questio

Most of your examples are designed to prevent unqualified people from hurting others, the main exception being the regulated drugs one. This raises the question of whether a similar system could exist for investments. Do you think there could be a "prescription" investment where you'd need a sign-off from someone with certain qualifications who'd consider your financial position and what you were planning to do?