What would cause a mesh not to render, but appear in the reflection probe?

I have a scene where we are loading up meshes from a glb, and then placing them into a scene. At the same time the mesh is placed into a renderList for a reflection probe.

Sometimes though the meshes are not appearing and we receive no errors, but their reflection stays?

Yoooo then if I go in the inspector and hit “Render Vertex Normals” on just one of the hidden ones every one that was missing turns on.

Ok this might give me clue to whats going on.

Ok so I think its because I freeze the scene matrices while the meshes are being culled.