You don't have to be an engineer/programmer/developer to understand conceptually how these entities (blockchain/cybersecurity/cryptocurrency/AI/Cloud Computing/Data Analytics) affect our society. Through good advisors, one can make good decisions about these areas of tech, especially with abilities and understanding of tech in other more basic areas.
The implications of what you are saying seems to be that a president has to be an expert on everything to function.
The implications of what you are saying seems to be that a president has to be an expert on everything to function.