Because you get locked into FOSS software due to licenses (GPL vs BSD) or system specifics that would entail more money to port than simply maintain (scripts, f

Because you get locked into FOSS software due to licenses (GPL vs BSD) or system specifics that would entail more money to port than simply maintain (scripts, features, etc). Now you have to maintain the software and issues that come with the system as a whole (security, stability, etc) or you can buy a support contract and have a corporation support your FOSS lock-in. Kind of makes you think doesn't it?