You have a responsibility to let your customers know in advance that you will be shutting down, but not to keep the service going.
You have a responsibility to your employees and anyone else that works for the company to do not harm their livelihood. Running a service that continues to waste money can eventually put the company out of business.
You have a responsibility to your employees and anyone else that works for the company to do not harm their livelihood. Running a service that continues to waste money can eventually put the company out of business.