I think “common” here would refer to having to produce them, over the actual explicitness of the scene. Whether Mass Effect fades to black or not isn’t really the point when the voice actors still have to record the lines that play while the screen is dark.
Let’s be honest, most of Reddit’s default subreddits (or whatever the fuck they’re called now) are basically just karma farms with no real moderation beyond removing extreme content. The real value of Reddit has always been in its smaller, niche subs. But as those grow in popularity, they end up having the same problems as bigger subs.