Collective Timeline Selection scales personal timeline choice up to the whole: the claim that a population, together, selects the future it will inhabit. It is unifying collective will viewed as an outcome rather than a force.
The grounded version
Societies really do choose their direction — through what they tolerate, reward, and refuse, aggregated across millions of small decisions into a shared trajectory. No mysticism is required to see that the future a people gets is, in large part, the one they collectively keep choosing. Read that way, collective selection is simply how history is made.
The belief edge
The stronger claim — a literal group vote among pre-existing parallel realities, tallied by frequency — is belief, and the map marks it so. It also names the quietism risk: waiting for the collective to "choose" as an excuse for personal passivity. Since a collective is only ever made of individuals, the grounded reading puts the responsibility back where it can act.
A people does select its future, but by what it repeatedly does, not by a cosmic ballot; the map keeps the agency and drops the machinery.