It’s the pensions; blow the whistle, lose not just the salary, but the pension.
This makes them slaves. Slaves have no autonomy, no capacity to refuse and so, no honor.
Well these agents are in bondage to evil so in a sense they are slaves.
But that defense didn’t work in Nuremberg nor will it work in eternity.
If they don’t exercise their volition they still have in this life and refuse to follow evil, they will soon be in Hell.
At least they can keep their 30 pieces of silver or their pension for that.