If it'd be a Bethelitte worker, I'd say, "lead by example. When Tony Morris da Turd takes less food and losses weight, so will I !!!!"
What a bunch of cheapskates!
However, this is a well-known cult tactic. Feed your captive slave-labour workers a slim diet with low protein, so that they are malleable and weak, with less energy to think for themselves or ask questions.
Wow....just.....wow. What's next, carts at the airport selling flowers? Oh......oh no.........