You gotta go with the people who don’t want the job
Hitchhikers Guide to the Galaxy has got you there!
The major problem—one of the major problems, for there are several—one of the many major problems with governing people is that of whom you get to do it; or rather of who manages to get people to let them do it to them.
To summarize: it is a well-known fact that those people who must want to rule people are, ipso facto, those least suited to do it.
To summarize the summary: anyone who is capable of getting themselves made President should on no account be allowed to do the job.
Hitchhikers Guide to the Galaxy has got you there!
In a similar vein:
There’s a considerable overlap between intelligence of dumbest tourists and smartest bears.