Uh. . . I'm pretty sure you know this. . . but Star Trek has been around since 1967. And, the concept of the "preserver" civilization that went around seeding the galaxy with humanoids was conceptualized long before Macross hit the airwaves nearly two decades later.
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I don't think that concept was ever explored in the original series (although I could be wrong).
I think what he's referring to is the Star Trek: TNG episode where they find out each race, Ferengi, Romulan, Klingon and Human has a certain peice of a genetic puzzle that, when combined with the others, maps out something or other and let's them all know that they were 'seeded' by an ancient civilization millions and millions of years ago.
So, pretty much, every race are kissin' cousins.
So that's why they all speak English!!!
OK, stupid question, since this is gonna be the DYRL question thead: what's the differences between the DYRL and series VF-1's (other than the fact they're all VF-1X's)