If that's true, just another reason to never hunt with an outfitter.
I also find it pretty tough to believe that outfitters clients would stimulate the economy any more than DIY guys. In many cases the outfitters aren't even residents of Montana, neither are the guides. They take their wages back home...loss of revenue and economy stimulation.
Plus, if its a fully outfitted deal, the local restaurants, hotels, etc. don't make a plug nickel off the guided hunters. The clients fly in, shoot their critter and leave...spending next to nothing in a local economy.
DIY guys buy all kinds of things. Have tires fixed, stay at hotels, buy $50 worth of junk food at the local gas station every morning, fuel, eat at restaurants, etc. etc. etc.
Outfitters lie about the positive economic impacts they bring to a state about like they lie about the average "score" of the animals their clients kill....both grossly exaggerated.