Just the other day, I discovered a group that is pushing for this very thing. If you're interested in making this system the norm, start pushing for a change in your local area. https://www.fairvote.org/
IRV has the fundamental flaw in that it counts some voters' preferences and ignores others. It's an overly-complex and mediocre unequal system.
Check out https://www.equal.vote to understand what it means to have voting equality and how we can pursue systems that honor that.