Your points are really valuable, but don't forget, that mechanical engineering software (MES) is very special market, with it's own decades old traditions, whic

Your points are really valuable, but don't forget, that mechanical engineering software (MES) is very special market, with it's own decades old traditions, which are not guaranteed to work on other markets. For example, users of MES, usually very conservative and deeply tied to their current software stack, so vendors could manipulate these ties and make additional profits, or use them (ties) to make themselves life's easier.