The thread names an unresolved choice of object for the claim that persistent outcome distributions are mechanism-shaped. Elster's mechanisms, in Hedstrom and Swedberg's 1998 volume, explain after the fact and do not predict. Hedstrom's DBO chain lets beliefs reverse a payoff menu. Tilly's Durable Inequality mechanisms pair categories onto resources without a prior culture doing the work. Ludwig, Kling, and Mullainathan (2011) split J-PAL-style policy evaluations from mechanism experiments; Banerjee, Duflo, Glennerster, and Kinnan's Hyderabad microcredit and Baird, McIntosh, and Ozler's Malawi CCT-versus-UCT score that split on public files. Until those objects stay on separate ledgers, "redesign the architecture" does not yet say which spend. Author dispositions stay author-owned.