Evidently the Lone Tree Golf Club management team is more interested in the almighty greenback than in truly and correctly running a public golf course. From allowing not one but two fivesomes to play in consecutive order, no marshall, and a discourteous club pro explaining that this a normal routine, it was obvious that only "members" were truly wanted.
The course itself is nice and the 19th hole has friendly, courteous, competent servers with good food and beverage (maybe they should be running the clubhouse). But if you don't want to spend over 5 hours whistling Dixie-forget about playing here and spend your money elsewhere.