[EM] Is there any profile where IRV is worse than Plurality?

[Kristofer Munsterhjelm]

Andy Jennings wrote:
> Very good example.  Thanks.

Also note that even if IRV dominated Plurality on results, IRV fails 
certain criteria that Plurality passes. IRV is not summable, but 
Plurality is. Hence IRV could lead to worse results in places where 
ballot tampering happen.