I think you're making assumptions about outfitted clients.
A client that flies into Billings, gets picked up by the outfitter and scurried off to some lodge to shoot a rut crazed mule deer buck in a hayfield as quick as possible...then shuffled off back to the airport ASAP...how much money does that guy spend on hotels, groceries, junk food at the gas station, restaurants, fuel, etc?
ZERO.
To ice the cake, the outfitter and guide that they paid may not even live in Montana and take a vast majority of their income back to where they live.