> If one could imagine that those eukaryote's that died out then could ponder the future, no doubt plenty would have sought to be comforted by some kind of pause in their development for some kind of eukaryote safety net to avoid such far future couplings in the form of humans.

That's the kind of short term thinking that gets eukaryotes in trouble. The heat death of the universe in 1.7e106 years means none of that ultimately matters, right?