Earlier quoted context omitted.
Then people are "increasingly" using it incorrectly. Europe is a continent, the EU is a political alliance. There are too many countries within Europe but not in the EU to use the terms synonymously. For example: Albania, Andorra, Belarus, Bosnia-Herzegovina, Croatia, Iceland, Liechtenstein, Macedonia, Moldova, Monaco, Montenegro, Norway, Russia, San Marino, Serbia, Switzerland, Turkey, Ukraine, Vatican City I think…
> "people are using the down arrow as a "I disagree" button.." http://news.ycombinator.com/item?id=117171 "I think it's ok to use the up and down arrows to express agreement. Obviously the uparrows aren't only for applauding politeness, so it seems reasonable that the downarrows aren't only for booing rudeness." - pg, 2382 days ago http://news.ycombinator.com/item?id=392347 "Downvoting has always been used to express…
I disagree. From what I've come to expect from the voting behavior, downvotes are reserved for comments that are badly written (missing punctuation etc.), insulting or objectively false in an easily verifiable manner (like "Java does not include floating point numbers").
As far as I can overcome my personal bias I try to only upvote posts that contribute to the discussion or are greatly written and not those that only agree to my opinions. After all, having yet another echo chamber of the worldview of yet another community is way less useful than a greater diversity of ideas and ideologies. How else can we hone our arguments to make them convincing for anybody but us.
I realize I don't fall under the "older than a year" rule so let me quote the top voted comment on your first link:
> I have seen quite a few comments that were extremely insightful, and/or interesting that got downmodded due to an unpopular opinion. The reason this is unfortunate is not only that you tend to miss these (assuming that there is a higher probability that you read or think about comments that are rated higher, which I am surely not the only one that is guilty of) but also that it tends to promote groupthink . This is especially important on a forum like this where we are here to learn and share our thoughts, ideas and experiences for a very particular niche: Starting startups.
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> So I think that the up and down arrows should not express agreement, but insightfullness or truth. Not opinion. That way I will be able to judge the validity of a comment in a field that I do not know well by its points. And hopefully learn something.