Yes but if you were making lenses, you would want to make one lens that works on both style cameras for a higher price if people liked your lenses and would buy them, right? You can't always think like a absolute-low-price consumer.
That is what has gotten us into this economic mess. People need to pay a fair price for products from a local store not sending their money to companies in other states because that removes money from your city's economy, i.e. your neighbors business get less customers.
