Earlier quoted context omitted.
I'm fairly certain it's true. Here on YC News, even a minor comment a few lines long might get at least one or two upvotes (or downvotes). I'll get a reply about 50% of the time. On Reddit there are posts with apparent huge volumes of "user interaction": thousands of comments, thousands of upvotes per top comment, etc... but if I comment on one of those posts... nothing. Zero up or down votes, zero replies, just... s…
Sometime you should look and see how many of those comments you made on reddit are instantly shadow removed. You don't get any up votes because nobody ever saw those comments to begin with.
I have heard that shadow banning is more commonly used on Reddit than here, which just makes the problem worse: banning humans but allowing bots through.
PS: someone showed that around the time GPT 4 was released the use of em-dash on Reddit increased from 5% to 20% of comments: https://www.reddit.com/r/dataisbeautiful/comments/1kfg9b8/oc...