Not all anticompetitive practices are illegal, but this isn’t even anticompetitive. Anticompetitive practices are actions that reduce competitiveness in a mark

Not all anticompetitive practices are illegal, but this isn’t even anticompetitive. Anticompetitive practices are actions that reduce competitiveness in a market by entrenching your dominance over the (usually smaller) competition. Not allowing your competitor to buy your product arguably increases competition? It pushes them to improve their own product to be as good as yours.