LiquidGrape wrote...
The way I see it, Same Sex Romance must be implemented.
It's the one way we can defeat the reapers!

While I lol'd hard at this gif, the Reapers are not an example of a Chekhov's gun.
A Chekhov's gun is an object or element introduced early on, but its significance is not revealed until much later in the story. For instance, in the play Uncle Vanya by Anton Chekhov himself, the Chekhov's gun is just an ordinary pistol that the characters find at the Serebryakov house, that the character Ivan uses much later in the story to attempt to kill Aleksandr.
The Reapers on the other hand, certainly are introduced early on, but their significance is explained right away (they kill everyone, lols). Then the entire first game is an adventure to stop them. Then the entire second game is an adventure to stop them. You're reminded of this pretty much every step of the way (Stopping the Reapers is my whole reason for this Shepard - The Illusive Man).
A better example of a literary technique that the Reapers represent is the ticking clock scenario, in which the entire story is driven forward by the threat of impending doom.
and that has been your literary nerd moment of the day, brought to you by a literary nerd
...On topic though, I'd be much more impressed if Bioware made a same-sex romance that didn't involve aliens. I always felt the Liara so-called "lesbian" romance in ME1 was a bit of a cop-out, as all Asari are bisexual to begin with, so it wasn't so much a statement or unusual occurrence as a biological inevitability. If on the other hand, there was a MShep+Kaidan, or FShep+Jack romance,
that would be making a statement.