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It would be difficult to separate posts with some quality from spam, especially in popular subreddits.
Not agreeing with the most popular opinion on reddit is considered Spam by a majority of the community.
shouldn't that mean instead, we should teach Reddit how to be respectful of other opinions?
However, the downvote should be removed because it leads to censorship based on consensus fallacies. Just because you don't like hearing something, doesn't make it wrong or unworthy of being heard.
the voting system is one of the trademark features of Reddit, without it we would be getting a near impossible to keep up with constant feed of low quality posts.
A voting system supports popular opinions, not the quality of the delivered content.
Quality of content is subjective and unmeasurable.Only Alternative would be a selected team of moderators, but they aren't impeccable either.