Stabling has always been expensive at Spruce, I remember when I used to board (when they still had boarders) it cost me less for board and 3 lessons per week than what 2 weeks of stabling at their tournaments cost. That being said as others have stated it is a business and if they can fill the stalls at that rate why wouldn’t they.
My horse is too young to be showing at that venue for a couple more years however I am another person who believes that it is worth the extra expense to show there as opposed to other venues in the area. The “Spruce Meadows experience” for me is worth the extra expense. Will I be doing many of the shows no, but when I feel my youngster is ready to be competitive I will be there (I started up a show fund for him when he was a yearling so that by the time he is old enough to compete I can afford to do a couple shows…)