Muizzu guarantees freedom of speech.
What he cannot guarantee is your freedom after the speech.
The journalist raised questions about late night calls. The punishment was imprisonment, solitary confinement, late night raids and sleep deprivation.
When you go to Prison to serve a court sentence, you are a “Prisoner” and you will be treated as one, regardless of what you “think” you were doing before being sentenced. “Late night raids” will happen when “prisoners” are found with contraband. Those are standard protocols followed in every Prison.