He is getting done, albeit slowly, precisely what he said he would.
Fallacy Of Irrelevant Purpose
He is still a liar. Examples include claiming to witness Muslims celebrating 9/11, claiming inauguration crowd size was 1.5 M, claiming it stopped raining at inauguration, claiming Hillary would let in 600M refugees, plus dozens more.
Studies have shown that filling an inmate's day with work keeps their mind occupied, lowering instances of adverse activity and violence. Teaching them skills they can apply after release also lowers the rate of recidivism, contributing to rehabilitation for society.