I think once people see that their 'other party' preferences are at least being represented in the early rounds, they will gain confidence in their ability to e

I think once people see that their 'other party' preferences are at least being represented in the early rounds, they will gain confidence in their ability to express their actual desires in the ranking. The understanding that third parties actually have a real chance if they get enough voters' first choices will wake up the Ds and Rs that they can't just coast and hand wave anymore or they'll get tossed out.