I see all the back and forth about who should be & who shouldn't be romanceable ...
For me, I vote that the crew (VS, Miranda, Thane, etc) is opened up. Not because I want to have my male shep hook up with Garrus, to be honest I won't even do a m/m relationship. But I will also never know what a straight relationship is like with Garrus, Thane, Tali, Jacob or Jack. None of my Shepards found any of them attractive or vice versa.
Was the "straight" option there for my Maleshep to romance Jack? Yes. But since I didn't take that path it does not exist in that story and they simply became friends. Jack sees Shepard as some kind of surreal brother, even with his kindness. He bought her daisies once on the Citadel which made her smile and then beat him with them. He makes her laugh and somehow feel safe but she would NEVER tell him that. Instead she calls him a p*ssy and punches on him. Nothing more. Do I feel upset or robbed or character violated because someone else's Shep and Jack had casual or romantic sex? Not in the slightest. In fact, my Shep & Jack would like to see it for a good laugh. oh, and so would Joker, but he is pervy that way. Would others feel that Shepard would never buy Jack daisies? Ab-so-frackin'-lut-ly!
One of the biggest debates seems to be on that forever talked about gal Ashley Williams ... Can someone argue that Ash would never? Yes. Can someone argue that Ash would? Yes. Will either side ever agree? Nope. Because they see Ash in their own mass effect world.
Even I have two different Ash's and they disagree ...
CON - Ash #2 (romanced male shep)
She would no more think about being with a woman than with a turian .. ok, she would be with a woman first. But she's never met a woman that she's found romantically attractive. True, she was overheard saying a woman could kiss her, but that was regarding Miranda Lawson. When she heard that Miranda had "seduced" Shepard she said, and I quote, "That b1tch can kis5 my ass if she thinks she's keeping skipper!" Later she was also overheard saying that she was going to put a boot up his ... er, well. I cannot wait for ME3 to see how this story plays out.
PRO - Ash #3 (Crush on female Shepard)
When she first met Shepard on Eden Prime, she knew who she was. She had seen the vids, admired her courage (war hero) and what she had overcome (earthborn). Every woman who served in the Alliance knew who Shepard was ... Her respect grew as she watched the hero focus each mission's success on the other squadmates' abilities and not her own. Ash hated 'glory hounds' and Shepard was far from that. Her attraction was not overnight but quietly grew and after hearing Kaiden confess his attraction towards Shepard, followed closely by the rumors that the asari was also attracted to the commander, it bothered her. As she watched those two try and get Shepard's attention she found herself getting angry and when Shepard would spend time with them ... well, it hurt. Not too long after Noveria, Ash saw Shepard speaking softly and very close to Liara ... it was in that moment that she couldn't deny what she was feeling. Through months of silent struggle, she planned on telling Shepard how she felt but the time never seemed right, okay she chickened out. Yes Ash was kick-ass and blunt, but there was something about this woman that made her stumble ... but she had finally promised herself that after this geth run she would lay her feelings on the table ... enter the collectors and Shepard dying.
*Ash # 2 & Ash # 3 do not impact each other ... after all, they serve with different Shepards, with different outlooks and different plumbing. Did Tali & Garrus become romanceable due to "fan service"? Don't know and really don't care. It never impacted my games so why would I begrudge someone else telling their stories? Hell, you want to pretend that you and TIM are having a side thing? Good on you! Sneaking around with a hanar? You devil! I didn't buy your game, I bought mine.
What is the harm if the Talimancers get a great ending, or the Miranda lovers or the Kaiden lovers or (insert character here)?
The only thing that I really hope is that both the friendship & romance paths are well thought out, well written and executed. My Shepard not only has romantic relationships but friendships that he/she would love to enjoy in the final game.
*Ash # 1 was left on Virmire, so she was not included in this discussion for obvious reasons.