would they be able to fix the character creator with a patch or at least have something through dlc

Giving us a real creator - not just a preset editor - like every previous game is what they should do, but I find it unlikely, even if they can just port over DA:I's CC framework and go from there. It might be too late for that, I don't know.

What is within the realm of possibility (which I'd consider the least they could do to remedy the situation) is add a Mirror of Transformation style tool that allows you to edit appearance midgame (because apparently they forgot that DA:I got so much criticism for not having one they had to add it as free DLC...). Put it in your quarters on the Tempest. Crazy reconstruction surgery is a thing in ME, so it's not a lore issue. And not being able to change makeup, hair colour, facial hair etc. is inexcusable. Especially because of the ridiculous tattoos and blushes they have; they might be cool for a bit, but a whole playthrough?

Secondly, they can and should add more options, such as skin tones (why can't we make someone as pale as the default twins?). Or just let us edit the default twins. More hair colour options are needed. They could add a slew of synthetic colours, but they can't have a natural red range? Come on. They need to let us edit complexion; it's just a texture. They need to let us edit eyebrow colour separately from scalp-hair colour - how hard could that be? Even DA:I's CC missed that. Eyebrow shape would be great, since it's also a texture... Additional hair/beard styles would be appreciated, but the previous things are a priority for me.

Well, apparently I can TL;DR that by saying "Restore the options previous games gave us." All because someone had the bright idea that making minor adjustments to presets was better than being able to craft faces yourself

Yeah, I don't know how likely it is, but I'd say it's possible since they added one post-launch in DA:I. I'd rather keep my expectations low as well, though

Yeah, even just briefly looking at the Share Your Ryders thread a couple days after launch, I saw a few who looked very similar to mine. You could make much more unique looking characters in DA:I, that's for sure.