[Doctor Stochastic]

1. To each according to his needs.
2. Love thy neighbor/I am my brother's keeper.
3. The fittest survive.

Yes. The first three (#1 and #2) are man-made commands. The fourth (#3) is only an observation concerning reproductive plenitude.

[Tribune7]

3. The fittest survive. . . .Yes. The first three (#1 and #2) are man-made commands. The fourth (#3) is only an observation concerning reproductive plenitude.

Would you want live in culture whose morality is based on "survival of the fittest?"