I think the complaint is focused on the notion that the instructions tell a would-be contributor what is not OK, and then do not help them to figure out what is OK.

> Determine if any of the search results represent the official website for your place. Do NOT use search results for social media profiles, review sites, or other business aggregators. When in doubt, don’t use it.

This zero-option style of phrasing doesn't leave any room for interpretation.