This is an extreme position. Yes, the cards are stacked, and yes, the thieves will fight tooth and nail to preserve their privileges, but there have definitely been examples of a certain election result making things better. My country got independence[1], and the British people got public healthcare, because they voted Labour in 1945. We kicked out a strongwoman in 1977, and reined in a strongman last year. These are just examples from my country.

[1] I'm aware that there were other causes as well, but Churchill would probably have tried to hold on even after the British position became logistically and economically unviable.