It's also the ratio of action to (what I would call) filler. A UT2K4 CTF game is almost non-stop action. Between insertion, looking for powerups, and finding so

It's also the ratio of action to (what I would call) filler. A UT2K4 CTF game is almost non-stop action. Between insertion, looking for powerups, and finding someone to fight, a typical round of Fortnite has a lot more downtime. I suspect that might be part of the popularity because it's easier to make smalltalk with the stream while smashing crates in Fortnite than it is to do so while getting shot at with rockets.