Skepticism, Science & Pseudoscience

Where are you getting your legal information? It changes from state to state. It is perfectly legal to form non-profit with no membership and a self-perpetuating board of directors. Some states allow for the existence of ad hoc groups thus negating the need to register as a non-profit.

Their claims of developing new land surveying techniques is research, not engineering practice so they don't need a license to do this.

Since when are non-profits forbidden from spreading propaganda? If that were true we'd have no churches or political parties.

OOOH, I see your source now... a YouTuber... so you're fighting fake experts with fake experts, very clever.