It's also not very consistent with Past Tense where he acknowledges Earth had issues, but completely understands that it was a different time period. Drastically different from the 40s to us but to him they would be the same ancient era, and seeing how people were treated inferior based on race would probably only make him laugh. Best thing about Past Tense was at the end he doesn't make some moralizing speech about Federation values being better - with a wink to the audience about homelessness and poverty - when asked how a society could end up that bad he simply says "I don't know."
It's also not very consistent with Past Tense where he acknowledges Earth had issues, but completely understands that it was a different time period. Drastically different from the 40s to us but to him they would be the same ancient era, and seeing how people were treated inferior based on race would probably only make him laugh. Best thing about Past Tense was at the end he doesn't make some moralizing speech about Federation values being better - with a wink to the audience about homelessness and poverty - when asked how things got get like that he simply says "I don't know."