Sure the solution is clever, is a fantastic science fiction twist, and would be a fantastic climax to any number of science fiction stories. But it is a violation of the character so profound that it renders the series unrecognizable."
This is the problem I have with the Eleventh Doctor. Look at “Victory of the Daleks”. And now look at the Series 7 trailer. He just has no qualms about killing anymore, and it’s so unlike the Doctor.
Yeah, I mean it’s not like the First Doctor and was going to bash a wounded caveman’s skull in with a rock…oh wait.
On top of that, there is such a thing as character development, people, something especially necessary in a show that’s been running this long—hell, most shows pack a ton of character development into merely the length of NewWho. The Doctor has gotten less and less tolerant of his enemies’ bullshit in his old age, and if he simply always resisted his darker nature without fault, that wouldn’t be interesting. True, too much of the “oh dag the Doctor’s getting ruthless” card, especially without a good payoff (*cough* Waters of Mars) would get old really quick, but post-Time War I think it’s reasonable to say that the Doctor can get away with some occasional darker behavior without breaking character. Besides, we don’t know the context of anything from the S7 trailer, so I vote we hold off this discussion until the episodes air.
i’d like to add to this that it isn’t the first time the doctor has committed genocide. To me Matt Smith’s doctor is Sylvester McCoy hiding behind a mask of Patrick Troughton and Tom Baker. He has that dark, secretive, manipulative streak under his happy goofy exterior, tbh Troughton was pretty ruthless himself he directed an entire Ice Warrior fleet into the sun for example. Matt Smith has a lot of these darker moments, as did Tennant but the difference, at least in my opinion, is that Tennant wore his emotions on his sleeve. Matt has everything bubbling under the surface and when it erupts its in a much different way, a crueler way….tbh I think Matt Smith’s doctor sometimes has a death wish, I think he’s sick of everything….which would make sense given David’s last words of “I don’t want to go”, all doctors have been effected by the regeneration prior