I don’t get too upset by the fictional “science”: after all, the whole “time line” concept was obsolete before Who began in 1963.
The future? Like there’s only one?
Which gets us to the part I didn’t like.
You’d think a [i]teacher[/i] wouldn’t be flaming the Doctor for not slipping her the answers in the middle of a test.
The space aliens didn’t come to tell you what was the “official right answer”? Welcome to life.
No, my biggest disappointment was that, at no time, did anyone say: “Eggs: terminate”. 😀
(insert rim-shot here)