Democracy represents the will of the people, who, in general tend to care about morality and doing the right thing (although of course they can be misled and manipulated). Capitalism tends towards maximising profit, which often comes at the cost of doing the right thing.

> I wonder why you believe democracy is somehow biased to selecting "people who care about doing the right thing".

Because people are. Why would something be considered "the right thing" if there weren't people believing it?

I realise that Trump campaigning explicitly on doing the wrong thing and still being popular, would seem to contradict this, but he's an outlier, and apparently many of his supporters still somehow believe that whatever he's doing is somehow right. Of course they've been misled and manipulated, but that's the big vulnerability of democracy (although it's also possible in every other system).

> Democracy represents the will of the people, who, in general tend to care about morality and doing the right thing

This isn't a given. History has lots of examples where a majority of people do not care about morality or doing the right thing, and in fact use their voting power to elect similar-minded leaders. Your post even contains a perfect example, but he is not an outlier.