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My ideas about "so many people haven't voted yet":
1. Some people want to feel like "the only decision maker" - to vote in last moment - so even with small amount of their MNs "determine the whole result by themselves".
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Number 6: Voting apathy,complacency and lack of understanding of how to cast the vote.
Suggest having voting button on the top of the wallet that casts a Yea or Nay to make it as lemon squeezy as possible.
(highlights on detection of masternode status)