Yes, exactly!  The tactical infomation is obselete after 24 - 48 hours, all interrogators know this.  So the object is exploitation, which is an insiduous path to turning one detainee against another.  That is the object of torture, not to get vital information but to expoit and indoctrinate.

"Schiller sprach zu Goethe, Steck in dem Arsch die Flöte! Goethe sagte zu Schiller, Mein Arsch ist kein Triller!"