Short answer:
It is not possible.
Long answer: It is not possible until and unless human nature changes. The reason Trump won* is because he promised to be all things to all people, and people bought it, notwithstanding the mountains of evidence - this was a very public figure - that he was a blowhard, serial liar, etc etc.
Education can change a bit of this story, but at the end of it all there are some traits prevalent in the majority of humans that guarantee that the people who end up with power will not be nice people.
You put in a nice and capable person, then the following 2 things will inevitably happen:
1) Another person will come along, not nearly as nice and/or capable, but endowed with the political mind capable of swaying (enough) people.
2) People become convinced, that the newcomer is better equipped to get things done, and cast nice/capable-but-not-political person aside.
If you want an example where Trump pulled this off decades before doing it nationwide, here’s a perfect example.
Though I used Trump as an example - he’s damn near close to the personification of the pure abstract concept - this is really about any politician, and any people.
*Where ‘won’ expressly includes ’captured enough votes to win a majority of the Electoral College’.
That he did not win the popular vote is irrelevant: it is indictment enough that he got more than 10-20% of the vote, however distributed.