No, it isn't. The point of sale system is about taking payments. If your core business isn't 'the processing of financial transactions', then buying that is the sane thing to do. IBM being able to field a POS system doesn't make them a competent retailer. But they handle regulatory rules for you and let you be a competent retailer.
Airlines aren't just responsible for flying planes. They are responsible for the planes. It's not enough for the plane to show up in Chicago by 5pm, it has to be there and all of the necessary maintenance and safety work has to be done by 5pm. Anyone who could figure that out for them would simply go into business for themselves and compete.
Airlines aren't just responsible for flying planes. They are responsible for the planes. It's not enough for the plane to show up in Chicago by 5pm, it has to be there and all of the necessary maintenance and safety work has to be done by 5pm. Anyone who could figure that out for them would simply go into business for themselves and compete.