10 Doctor Who Problems That Time Travel Would Have Solved

All of the death, destruction and mayhem that the Daleks have brought to the universe, The Doctor bears responsibility for. He didn't create the dreadful machines yet, when offered the opportunity, he wasn't able to bring himself to stop their birth.

To be very fair to The Doctor here, its against his nature to commit genocide, except for that one time that he did. Or maybe he didn't, it's hard to remember...yet having accepted the mission from the Time Lord council to go to Skaro and stop their creation, he hesitates at the crucial moment. Debating his authority to destroy a sentient being's existence, he waits just long enough to lose the power to do anything.

If The Doctor can be commended for his nobility here, why in the heck hasn't another Time Lord gone back in time to do the same thing? The Master, for example, seems to hate the Daleks as much as the Doctor does, or fear them at least. Rassilon seems like the kind of madman who wouldn't blink at the idea of sending a Time Lord death squad to murder Davros in his sleep.

While Skaro was eventually locked away in time during the War, there was every opportunity before this, and afterwards once the War ended.