Earlier quoted context omitted.
> If you told people today that Reddit AMA's hadn't been working for the past 8 years because the company fired an employee then, they'd probably laugh. That's technically true, but that's because nobody today really thinks about Reddit AMAs, because there are fairly few of them and they're mostly lousy. When they employed Victoria, AMAs were frequent and involved high-profile public figures engaging with the users i…
> With the result that Reddit lost a popular, interesting feature and a lot of cultural relevance. Looking through /r/IAMA, and I can't say that I'm seeing that. If you look through the top voted AMA's of all time there, the vast majority are some years after Victoria's departure. Comparing those to the few on there from prior to her departure doesn't seem to show much of a difference, at least from what I can tell.…
It could also be explained by a growing userbase. More users in recent years means more upvotes in threads from the same period, compared to older ones. I checked a few big subreddits that are at least 10 years old and their all-time top posts are from up to five years ago.
Also, reddit changed how the upvotes are counted somewhere in 2016.