It doesn’t matter if the most upvoted comment is pro or against subject in discussion. All that matters is bolstering a comment that is minimally compatible with participant’s thinking and making it win against the opposite argument (competing and most voted one).
So it seems that the most satisfactory comment (for most readers) doesn’t really matter at all. What matters, before anything else, is visibility of an opinion that somewhat aligns with one’s thinking, rather than writing or finding the most corresponding comment for that subject, fully compatible with reader’s perception.
That’s the main issue with this system.
On Reddit you occasionally came across a post that was set up in election mode. The idea is that if you’re Youtuber or a podcast host, and you’re interested in having Q&A, but there are way too many questions, this way you can filter out all the boring questions and focus on the inserting ones. People can send a top level comment with a question, and they get to see all the other proposed questions in a random order. Then you can upvote and downvote as much as you like. Since the comments are in random order, there’s no top comment bias. However, there is still a time related bias. The first few people don’t have many comments to choose from whereas the latecomers have thousands of comments to vote.