Then he should've approached the equivalent organisations in North Carolina, such as https://www.nc.gov/working/volunteer-opportunities/volunteer..., as linked from https://governor.nc.gov/news/press-releases/2024/10/01/rescu....

Asking volunteers to not just rush in and do things themselves without coordinating via the proper organisations set up for that purpose is standard for every disaster. For instance: https://matadornetwork.com/change/why-you-shouldnt-run-out-t...