That's interesting as I never knew about cameras at public ranges or if that is the only place that has them.  I've only shot at a public range twice in the last 24 years and once at an indoor range, I prefer to shoot at the farm or our properties here in Iowa and Idaho as I can control who I'm shooting with or just go by myself.  The cameras don't surprise me but it's not something I've thought about but not surprised by it either.