It's not conditioning that will make you eat human meat.
It boils down to survival instinct.
There are many cases where a group of people are starved, facing death, and turn to eating each other to survive.
The Donner Party, and Uruguayan Air Force Flight 571 are just 2 such cases.
"ANYTHING" can be justified for survival, but not "EVERYTHING"
In ethics, for survival, you are not right to do everything in order to survive. Only just what you need to is accepted, and even then not always permitted. Courts can see what actions (crime) took place and judge if that was the right choice.
Of course, you can listen to a jew extrapolate from all of that to mean, "yes there is no problem eating human meat"
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