What might happen, vs. what a company decided to inflict on you are different things. Why did the potential buyer have a sudden inability to sell any part of a

What might happen, vs. what a company decided to inflict on you are different things. Why did the potential buyer have a sudden inability to sell any part of a large order, what changed? Presumably, if they're got the product for free they somehow would have found a way to sell it all. Maybe they (the potential buyer) were just using the small company to force a price with a different supplier. I'm not sure if one can tell if it's grift or not; it certainly seems immoral. Like going into a small restaurant, ordering loads of food and then saying "oh, I ate before I came out, I'm not hungry" and just leaving without paying.