If part of their job description was the equivalent of clearing brush/cutting fire lines in emergencies, I might consider it.

> Why is the market for firefighters the only one that gets free volunteers from this pool?

Do you have another source of willing, not-risk-averse, physically fit and competent people that are not doing anything else, know each other already, can be there ready to work together at a moment’s notice, and won’t bail partway through to go fill an instacart order?