Computers are employed by trained professionals appropriately in military contexts. The public does not need access to computers for this to happen.

There's no task I cannot complete without ketamine, except for the consumption of ketamine itself. Without a computer I cannot perform my job, nor basically perform any modern professional job.

This framing is terribly paternalistic. If a person is taking a drug, they themselves are who is possessing and using it. They aren't some mere passive subject for doctors to be acting on. Furthermore, they shouldn't be forced to convince some doctor-bureaucrat they have some specific medical condition, or even a "medical condition" at all, to be allowed the treatment they'd like to try.