miners being paid forever also means the security budget stops being a one-time subsidy problem and turns into a steady-state market for blockspace, which makes fee-sniping easier to reason about but also harder to ignore. if the tail emission is small, a few lucky blocks can still swing incentives a lot, so the exact subsidy curve matters more than the slogan suggests. what i didn’t see spelled out is that any demurrage rule has to fight wallet behavior and exchange accounting, not just miner incentives.