Voting in the US would be so much easier because some candidates are obviously just evil. Here everybody is morally ambiguous.
Also I have close friends and family on both sides of the local political divide who have very strong feelings, meaning that at least some people I respect will judge me no matter who I vote for. And yeah, votes are private, but I'd still feel judged.
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...except that I'd probably be judged by even more of them if I spoil my vote.