Like the last episode, my reaction is "meh." There are parts of the 12th doctor I like and parts I don't. I like that he's more serious, calmer, and less manic and quirky than the previous two. However, while I like the dry humor, he comes off as a dick sometimes, like in his line about how the dead guy was on the top layer if they wanted to say a few words, and in his coldness to the female soldier who'd lost her brother.
You don't want a Doctor who strays too far into a-hole territory. Also, what's with the nonsense about him having a thing against soldiers? Not only is that offensive, don't the writers remember UNIT, and that Lethbridge-Stewart was a SOLDIER and a good friend of the Doctor's?
The idea of a good Dalek was cool, and I was pleasantly surprised that it didn't turn out to be a trick, just an accident of brain chemistry.
Eh, the previous Doctors used to come across like dicks all the time in the classic series. It was just a natural part of their persona.
And the rude anti-hero thing is nothing we haven't seen before, on shows like House or Sherlock (which people seemed to have no problem with). As long as we know that at
heart this Doctor is still a good guy (and he clearly is, or he wouldn't have saved the soldier in the first place), then I don't see a problem with him being a bit mean and nasty on the surface.
And as others have said, this is not only a different Doctor, whose attitude towards the military might be a bit different. But this particular soldier had also proven she was
way too blunt and aggressive to ever be a proper companion, being only really capable of following orders and shooting things.
That's the kind of soldier I can easily see the Doctor not wanting to keep around him for long.