Nick_Tarleton comments on Nice-ish, smooth takeoff (with imperfect safeguards) probably kills most “classic humans” in a few decades.

[Nick_Tarleton]

Nitpick: If unbeatable^[1] defense of a region of space is possible^[2], then being outcompeted-but-not-immediately “only” means losing the cosmic endowment, not going extinct.

1. ^

   or not worth beating

2. ^

   I don’t see how it would be, but the nitpick felt worth noting anyway