Im all for private business, and if thats how they want to operate then so-be-it. It just seams to me that they would make more money if they put a little effort into customer service and maybe listening to what the customer wants. I think the American way as Hobie put it is for the "company" owners to make alot of money as fast as you can and then shut down and move on, screw your customers and screw the people you employed to help make you that money.
Marginal cost. What is the marginal cost of making that extra $250- processing forms and whatnot, having staff around while customers load out, etc.? I don't know, and I suspect you don't, either, but I suspect that GL has determined that stuff above the $150/lot threshold is worth it, and under that it's not. So they bunch that stuff together and sell it as a scrap pile above the $150 threshold.
Is it how you'd operate? I doubt you can really say, considering that I doubt you know the cost structure of GL. But I'd bet that you'd want to minimize employee hours/costs to maximize profits.
As for the "make as much money as you can and then shut down" thing, can you cite any examples of large businesses that just appear and then are shut down after the owners make a lot of money? Or are you more talking about the good old "CEO/owner greed" schtick that's been smattered throughout the news as of late? If I was a CEO of a large company, with all the responsibilities that come with it, and the liabilities that come with it, and I'd had to go through all the education and training and everything else required, you can bet your booty that I'd want to be compensated well for my time. On the other side, the shareholders, board, etc., determine the level they're willing to pay for the proper talent to run their company, and it's none of my business. If I don't like it, I can choose not to do business with that business.
That all being said, another angle to look at this is the fact that GL is selling taxpayers' property back to taxpayers. More power to them for finding such a niche, but it makes it extra crappy when they damage stuff, or misrepresent stuff, or whatever- since YOU and ME paid for that stuff, and YOU and ME paid for the replacements.