Aren’t we allowed to upvote the same thing we’re downvoting for a net result -1 vote?
As I understood it, no. You must vote for two distinct things. Since the game(?) is over when only one option remains, you must always vote for two distinct things, +1 and -2.
That said...if people really have
nothing to vote for...there is an option for you. A very convenient one!
Don't vote. Just let it go (insert meme here.) If everything you care about is gone, it is okay to peace out. I understand sticking with it...but sometimes it's better
for the voter to just disengage. That's what I did with the Wizard survivor thread, for example. Yet I recognize that with the subclass finalist showdown, I
liked basically nothing on the list, but I stuck around until the bitter end there.
You can also do what I did in some of the other subclass survivors: upvote something you think is unlikely to survive long, and downvote something you think is likely to win. In so doing, you spice up the game(?) for others, making the "action" more intense and uncertain. Or, as I put it back then:
Let the Lord of Chaos rule.