

Yes, I agree, any kind of ranked choice voting system would help to end the two-party duopoly. If you are lucky enough to have your state consider a ballot measure to introduce such a system, do everything in your power to help it pass.
Unfortunately, it will not be easy; for obvious reasons, there are many powerful political forces opposing such reform. Here is a page showing how well such measures have done in recent elections: https://ballotpedia.org/History_of_ranked-choice_voting_(RCV)_ballot_measures
By the way, if you liked the CGP Grey Animal Kingdom video, it continues as a short series: https://www.cgpgrey.com/politics-in-the-animal-kingdom/
People didn’t go to Bluesky because of an informed choice based on features or security. People went to Bluesky because that’s where everyone they want to follow went.