The ideal answer is, clearly, closer to continuous voting rather than voting a single time. Circumstances change all the time, so voting a single time makes no

The ideal answer is, clearly, closer to continuous voting rather than voting a single time. Circumstances change all the time, so voting a single time makes no sense. Arguably, that's why certain issues should be decided with a supermajority only. That way, you allow for some people to change their mind without affecting what the majority thinks.