I've fished, crabbed, and slaughtered chickens on my grandmother's farm. In the end it's just nourishment to me, I don't derive any sense of fulfillment from being personally involved in the killing.
People have the same philosophy about every aspect of life. Stitch your own clothes, make your own soap, build your own house, grow your own weed, program your own operating system... of course there's value in experiencing everything in life, but I don't find it to be more true of one thing than another.
I think the philosophy of kill it yourself comes from the passive guilt associated with meat consumption without the emotional baggage imparted by the physical act of slaughter. I don't have any problem at all letting other people kill and prepare my food for me. Most of my life is designed to take advantage of the distribution of labor in society.
I really prefer the Industrialist approach; more money means more automation, to the end of eventually never needing to think about tasks related to basic biological maintenance.