Folks living there in a beautiful, quiet place. Guy using their neighborhood to make a buck, and negatively Affecting them.
Can't see much from the video, no idea what all happens there. But that's what it looks like.
More complicated than that. She's kinda a known whacko and also owns the ferry and hates to see people have other access to the cove except her ferry. There's video out there from the Beaver's perspective too. Scary stuff that could have ended up with 8 passengers in cold rapidly moving water had she screwed up and hit a float.
If something on the internet makes you angry the odds are you're being manipulated