Nobody is born with the knowledge of how to run a country and no one has any qualification to do so either.
They have advisors for everything and are limited by the Senate or Parliament.
It's not a dictatorship, so what they personally want or say they're going to do, is largely irrelevant.
Mickey Mouse could be the President; it wouldn't make a bean of difference.
They are just a figure head.
In fact, some people would argue that Mickey Mouse would make a better job of it.