Yes, I understood. Just pointing out that the two deductions conflict.
Maybe she's ambidextrous. Or got him with an off-hand hook. Or belted him with a baseball bat whilst he was sleeping on his left side. Or from behind.
There are two theories. . .
1. The conditions that gave rise to life and intelligence (sort of) exist in many places, so it's likely that the phenomenon will occur in many places.
2. The rise of life and intelligence was a freak run of occurrences on a par with getting 100 straight royal...