I would not expect them to close the doors. It's always been common but it feels like it's become more common in recent years. Their are many possible motivating factors, liability, profits, risk, experimentation, Tax brackets.
A columbus example would be wasserstrom, the largest restaurant supply company in the world took their whole IT dept and spun them off as their own company. Which then made wasserstrom it's customer and now they rent server space, consulting, and IT support out to other companies