Federal Medical Centers across the BOP system are generally a step above the standard prison experience, and that holds for Fort Worth. The core reason is the population. FMC facilities house inmates with serious medical needs who are there primarily to receive ongoing healthcare. People who are managing chronic illness, recovering from surgery, receiving cancer treatment, or dealing with other significant health conditions are not typically in the business of creating violence. That shared circumstance brings a certain calm to the environment that you do not find in the general population at a standard facility.
Violence is not absent entirely, but it is limited. Inmates who are genuinely focused on medical care and survival have different priorities than those in a typical facility.
Programming varies. Educational and vocational options exist but may be more limited than at a larger general population facility, partly because the population's physical conditions affect what kinds of activities are practical. Religious services, counseling, and mental health resources tend to be stronger at medical facilities.
Living conditions are generally better maintained than at many standard facilities because the facility has to meet higher standards around cleanliness and health for the medical operations to function. The medical staff are a real resource that is harder to access at non-medical facilities.
If your person is being sent there for medical reasons, the environment is about as manageable as federal incarceration gets.