really really bad"
That use of "common sense" in this context is a logical fallacy, Toni. (I forget which one.)
Example: It asks me to believe, on your say-so that the majority of the Democratic voters lack any common sense. If they heard you say that, they would be petitioning Lee to ban you. 
Next, it assumes that your definition of common sense is the only correct one. I might entertain that, just for discussion, but you didn't define that very important term.
There are other reasons. Please Google them.
So, is it possible that your opinions _don't_ always represent facts? If so, can it harm you to entertain input from other sources?
From my peculiar point of view, of course, no one is "really really" good or bad because the Bible says the standard for right or wrong is Jehovah's only. But never mind that now.
I'm no fan of the swamp, so I was as encouraged (as much as I could be) by "Change you can believe in!" back in 2008. But, no change, no matter what Biden thinks. Two of the deadliest no-changes were Guantanamo and drones. Non-deadly: When the smoke cleared, the biggest actors in the 2008 money debacle were mostly still in place or floating away to Paradise under golden parachutes.
I firmly believe that advancing technology will allow some ordinary Muslim to blow up one of the Obama girls' weddings. Not because of his alleged religion or race or nationality or his past office, but because 'He's the one who blew up my sister's wedding!' At that time I don't expect to find either one of us gloating.
He has left a legacy if hatred in some quarters. Trump is doing so, in other quarters.
If you step back from your own posts I think you'll see that posters on both sides feel as you say you sometimes do. That either side can, and does, produce evildoers. An that seems unlikely to change. Biden saw eight years of no-change from the inside but doesn't remember it. Hijab Girl is in love with her own logical fallacies. Hillary and her kind _live_ in the Swamp down to this day.
IMO, you politicizing folks got nothin'.
Now, if you could take off from the compliment you paid to the Evil Liberals- that they used to listen to other sides- you could learn about a worldwide organization that has all the features you want from government, in spite of coming from the same imperfect gene pool as the above-named. It works now. It works well with an all-volunteer staff. (No paid hierarchy.)
Here it is, again. jw.org
Be a good little liberal and look into it. 
BTW I took your advice. I just finished deleting about a third of the post for clarity. No semicolons. Better use of pronouns. (Maybe even no typos, for a change.) Ain't I a nice guy?