People pursue hobbies largely for value that can't be easily monetized.

Drawn from what Arvid Kahl said

What these subjects mean

motivation What makes effort feel worth it: the neuroscience of wanting to act, apathy, dopamine, and habit.

behavioural science Applying how people actually decide to policy, rather than assuming how they should.

What Arvid Kahl actually said

Do you hold this korrent?Do you also believe this?

Shared subject first, then similar wording. They may agree or disagree.