[private]
[Itachi sometimes wondered if the D-rank missions he had been forced to perform were because of his age rather than because they were normal missions. He had thought at one time that Konoha couldn't have possibly been such a lazy village, only to realize later than taking on such manual labors for the villagers if what boosted its economy in ways more may not consider.]
The warden does not care whether we are useful, only that we do not disrupt the order of prison in a way it must intervene on. Destruction of property and violence may leave that chain on longer.