haha! I suppose it does look like she is part of the daily harvest ;)
In fact you just skin them, chop their heads off and tell everyone it is wild rabbit. Yummy! I shouldn't joke about it really. They do actually eat them in certain regions of France. And I do not approve.
Yes, the idea of useless people is quite ridiculous when examined. For the most part society has trained people to be useless, making digital life more important than reality.
And I guess the most obvious thing is that being old doesn't mean one automatically becomes useless. In the past we used to respect the elderly for their wisdom so while they may not have been able to chop the wood they could certainly advise on the the best way to do it.
As you say the parasitic class are the real problem here, without whom life on Earth would be very different.