Electoral system choice is one of those decisions that really isn't a great one to be made via mass electorates. It's genuinely hard! Better to do what British Columbia did and have a citizen assembly consider it, just don't institute a ridiculous supermajority requirement in the referendum after:
Citizens' Assembly on Electoral Reform (British Columbia) - Wikipediaen.wikipedia.orgAndy CraigWe then asked about specific electoral reforms: proportional representation, fusion voting, ranked choice voting, and top two elections. All landed in the 20s/30s both for and against, with a high share of don't knows. RCV is the most polarized by party. PR has the least opposition and most unsures.