This is such classic Dunning Kruger effect. You've never heard of them, therefore they don't exist, yet you won't do basic research necessary to prove your own assumptions wrong. Democracy isn't easy, it's hard. But it's better than anything else we've come up with so far, other than the benevolent dictator model - and good luck with them always being benevolent.
There are quite a lot of such politicians, but they don't have the personality you're criticizing, so they're not visible generally, but in particular not the media which is selling politics as entertainment just like anything else.
Shirley Chisholm? Bet you've never heard of her, which is fine, I don't expect that. You do also have the imagination that she should exist, which is good. But where you fail is your assumption that you are right to conclude they do not exist just because you've never heard of them. So you're stupid and yet you know for sure you're right. You're doing the exact same damn thing you accuse others of. It's blatant hypocrisy, which happens to be very common and you seem to think it's an exception! Of course you have to call that out in order to hold people accountable to a higher standard. It is in fact the thing you call uncivil that causes a chance at civility!
How about Ander Crenshaw? You won't see him on TV and you won't see him shouting. Michael Bennet, is another one you won't see on TV, and the one time in his political career he went on a rant was eviscerating the pure stupidity of a colleague to his face, calling him out with factual evidence of his hypocrisy based on indisputable past action.
I guess you lack the imagination of truly uncivilized behavior that exists today and through most of human history. Dead bodies littering fields, bloating, leaking, bursting. Firing squads. Mass graves. Really, you think politicians are uncivilized? It's a ridiculous comment.
Calling a stupid person stupid is not uncivilized. It's called making an observation. Politics is when you don't do that every time stupidity is displayed.