Also, interesting thing happens if by the whim of the creator computer is given a goal of tiling universe with most common still life in it and universe is possibly infinite.

Respectfully, I don't know what this sentence means. In particular, I don't know what "most common still life" meant. That made it difficult to decipher the rest of the comment.

ETA: Thanks to the comment below, I understand a little better, but now I'm not sure what motivates invoking the possibility of other agents, given that the discussion was about proving Friendliness.