I'm positive that for the main part, anyone standing for public office should be automatically excluded from it.
There are exceptions to all things, but what I mainly see are those with a particular axe to grind (usually to their own benefit) or the 'Look at ME!' types.
At least the second category does less harm, while they do no good.
One thing particularly bothers me. They rarely declare their political stance- only those where they are known to belong to a political party and cannot hide it seem to declare. I think a
Sure would affect my voting!