Methinks you all protest too much
It's a prison camp for those who are not entitled to POW status, or a civilian trial, or indeed to ever be released. Compared to 99% of prisons in the world, it probably counts as a model facility, with the Red Cross in constant attendance.
If Guantánamo Bay is so bad, how should we define the GULAG, Belsen, North Korea, the Khmer Rouge? If shouting at prisoners and putting them in solitary confinement counts as "torture", what are we going to call hacking off people's arms and legs?
Oh hang on, we won't discuss them at all; it doesn't suit the "narrative". Of course, this will involve ignoring breaches of human rights elsewhere.....