There is a group of people (customers), for whom hardware being open source matters. That group will buy Prusa printers, because of "openness", and refuse to bu

There is a group of people (customers), for whom hardware being open source matters. That group will buy Prusa printers, because of "openness", and refuse to buy Bambu Lab printers, because they are mostly proprietary. You can either sell to that group and accept the cloning, or not sell to that group by going proprietary and making cloning more difficult.