Mrs. Corcoran’s baseless criticisms of Mr. Thompson and Two Dog reveals that not everyone is as openminded as Ralph and his family. Despite having never personally met them, she makes unfair assumptions about their character, calling them liars and thieves(this is likely influenced by their rugged lifestyle and Two Dog’s Native American identity). Offended by her prejudice, Ralph takes the first opportunity to stop working for her. This underscores Ralph’s admirable quality of standing up for his beliefs.