Yup exactly, it's just because their main audience is teenage girls.
As for Mass Effect, I love it more than Dragon Age too, it's one of those things that just had a deep impact on my soul, that sounds cheesy but that's just how I feel about Mass Effect
... I'm just in Dragon Age purgatory right now lol because it's my newest "discovery" I only started playing DAI in November (on N7 day actually, a fact which I am slightly ashamed of lol...I meant to play ME3 multiplayer that day...) I only just started playing DAO for the first time a couple weeks ago actually, although I took a short break to work on a couple DAI playthroughs and I wanted to get all those DAI Alistair feels I missed out on before I played DAO and became a huge Alistair fan lol.
My favorite romance (probably of all time) is the Garrus romance though, that's a tough one to beat for me lol. I love my Cullen and Alistair romances soooo so much, but it's just not the same lol. The only character that even comes close to touching my Garrus-love is Alistair and that's just because I've never identified with a character as much as I have with Alistair before (in fact, that makes me feel a little narcissistic for loving him so much haha, although he's certainly very different from me in many ways).
YES!!! I have the same response to ME; I feel like it's burrowed somewhere deep into my heart and nestled within my very soul, sigh (how's that for cheesy??).
I enjoyed DAO but it wasn't the best of the best for me, partly because I play male character so could only romance Zevran (who is awesome... sorry, "ridiculously" awesome) but not just that... the lack of voice for the warden was really weird seeing as how I played DA2 first so was used to my character having a voice and personality. And the fighting was tedious to me because I wasn't used to playing games like that. (Probably love ME so much because I grew up on shooters.)
Now for me the #1 gives-me-all-the-feels-uh romance would be Fenris, specifically rogue/warrior M!Hawke x Fenris friendmance, yes I'm very specific like that (and I wonder why I can never find arts and fics to please me...). For ME I romanced Kaidan; it was a glorious slow burn because I had a male Shep so there there was not breakup like there is with FemShep (if you want to call it that, yikes lol); if anything it was extremely romantic, with little teasing flirts in ME, that painful reunion scene in ME2, the bickering of ME3, and finally the reconciliation, flirting, and love confession in ME3. Like, honestly? There should've been more romances like that, and I feel sorry for female and straight male Sheps who didn't get that chance. Garrus and Tali are "somewhat" like this because you wait to romance them till ME2, but still, that slow burn... it was awesome.
(R2, I've come down with an awful illness but I do hope to try and get something done for V-Day >.< We shall see)