I know Unity begins to slow the more colliders you have in a scene, so I was wondering if Unity acknowledges disabled colliders in any way?
Disabling colliders does improve performance.
One of the general performance tips in Unity’s wiki is to disable game objects.
In another post, a user stated:
"in an empty scene with ~2300 small objects (210 triangles each) with MeshColliders and the Fist Person Controller prefab.
Disabling the MeshColliders didn’t bring down the frame rate significantly, but in the Profiler, it brought the Physics.Simulate task down from 11.2% to 0.7%…
so definitely an impact."
Here’s the link to that post: Does disabling colliders increase performance? - Unity Answers