Can understand why the geometry.intersect node isn't coming back right

I am trying to use the very cool script i saw on Design Tech Unraveled. A script that is called SightlineAnalysisWithViewCone.dyn it allows for you to put an element like a person in the model and get a chance to see the way the FOV of that person would have.

I want to use it for cameras.

My issue is with the geometry.intersect node. It will not return the same results as in the video. As i followed the video (this one) you can see what he returns with this node. i only get 31 on my list however he has significantly more.

i tried to check if it was the lacing however all options return a # quite different than his.

when i try to see a preview of it it comes back with the error:
“Geometry.Intersect operation failed. Cannot intersect a closed Curve with a Solid”