That’s the option that disables FFZ loading a video extension
It’s possible that users didn’t scroll down and thus a panel extension didn’t render.
TLDR: if your count from your EBS correlates with the Twitch metrics.
Then it could be one of many things that stopped a panel or video extension rendering. Like embeds (no panels at all and Video extensions don’t load).
I anticipate it wasn’t a fault on the Twitch Page itself, just you got a traffic from other sources. Or the panels system didn’t load at all (but that’s usually minor)
TLDR: I wouldn’t worry about it too much myself