That accusation has been repeatedly debunked. Also, on a more positive note, amongst all the gossiping and somewhat rude behaviour, they've documented a significant amount of illegal activity by others. In particular, how certain individuals of gender have been grooming children and committing sex crimes - which is why these creeps tried so hard to take Kiwifarms offline. And ultimately failed, as it's still up and running, even on the clearnet.
Not even wikipedia own founder believes on it anymore. It's essentially useless for anything political related because you already know that they will be heavily biased in favor of a given side...