The post connects biological behavior with reward and asks what complexity can explain about purposeful action at molecular, cellular, and organism levels.
It ends mid-thought. This workspace compares readings; it does not claim a settled evolutionary mechanism.A hypothesis workspace
Why would a creature bother?
The supplied post asks how purposeful behavior could be understood across scales and before genes. Choose a lens, then keep the question open where the source is clipped.
Behavior as an open question
The behavior lens stays close to the post's question: purposeful action appears across levels, but the clipped source does not tell us how to connect those levels into one mechanism.
A lens is a way to ask better questions, not a scientific conclusion. The export preserves that boundary.