Not comment OP, but I assume its similar to mine. People will approach you to give you flyers of their buisness, free samples, or otherwise smooth talk you to enter their shop/stand.

Monster Girls and Medieval Fantasy

Complaining about campers has been a thing since before streaming became popular.

Speaking anecdotally as both the complained and complainee, most people play superficially and aggressive. This makes them easy targets for strategies that are often considered “cheap” like camping or spamming. Rather than reflect and learn how to deal with those situations, its easier to deflect and blame the other for playing wrong.