That is an issues with the up vote/down vote system.
But a good thing with that system, is that it helps to keep away hate, racism, trash and dangerous content in most of the subs/communities.
So it's a bad for a good? Sorting by controversial on big posts often show trash and hate on reddit.
Yes but karma makes it worse. It incentivizes getting getting upvotes because you don't want to "ruin" your karma. Expressing controversial opinions, even if they don't generate downvotes, are discouraged with karma. Even OP says he gets a dopamine hit by seeing the karma number go up.
That is an issues with the up vote/down vote system.
But a good thing with that system, is that it helps to keep away hate, racism, trash and dangerous content in most of the subs/communities.
So it's a bad for a good? Sorting by controversial on big posts often show trash and hate on reddit.
Yes but karma makes it worse. It incentivizes getting getting upvotes because you don't want to "ruin" your karma. Expressing controversial opinions, even if they don't generate downvotes, are discouraged with karma. Even OP says he gets a dopamine hit by seeing the karma number go up.