That’s just one criteria. The other is whether they’re an advanced or primitive civ. And whether the externalities would be harmful to us. So the other two criteria provide practical vs ideal decidability.
Source date (UTC): 2021-05-13 17:16:46 UTC
Original post: https://twitter.com/i/web/status/1392891583872348160
Reply addressees: @WorMartiN
Replying to: https://twitter.com/i/web/status/1392885339761659909