I like that they were looking into issues like xenophobia. They didn't really get into it on a global level after the Xindi attack and the embassy bombing.
There were B5 elements, yeah... but B5 dealt more with the uglier social aspects of being a spacefaring society. Zealously, really. Plus it was part of the arc. "Evil President Clark manipulates Terran xenophobia to achieve REAL ULTIMATE POWER!"
Trek tended to keep to the nicer stuff, excepting DS9. Good ol' DS9.
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