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That would be one way to silence-censor viewpoints that you cannot credibly refute with reasoned dialogue.
Should keep the trolls very happy.
In terms of SNs being a serious platform for contest of ideas and free speech- well it would be another nail in the coffin - if that has not occurred already.
Let's make SNs even more of an echo chamber for arsemilking virtue signalling hypocrits- as if it's not already.
Something that might be kind of fun: get downzapped enough in a thread/territory and it digs you a grave, unable to contribute further, and you have to spend enough to dig yourself out.