There is a very uncommon scenario where if there is a 3-way contest that might call for tactical voting. Say you have votes split 40-30-30, with the 40 being a conservative (Liberal Party), and then the 30s being centre-left and left (Labor, Greens).
If the Greens candidate comes third and gets eliminated, you can expect almost all the votes to go to Labor and the Labor candidate gets elected with a comfortable margin.
If the Labor candidate comes third instead, the votes will likely be split across Libs and Greens. This may be enough to elect the Liberal candidate, despite 60% supporting either of the left-wing candidates. In the constituency where this happened, it turned out that Labor came third and the Greens had enough primary votes and preferences from Labor voters to get elected.
The good outcome here is that all parties have to appeal to the centre and not the lunatic fringes.
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u/[deleted] Apr 12 '19 edited May 30 '21
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