Oh, agreed, philosophy was easier by miles. I don't think conclusions are necessary for part A's, except for the Utilitarianism one, you had to sort of give an ultimate overview on the theory you applied. I wouldn't worry about it, I didn't focus on introductions or conclusions much either.
For the A02s I found I was writing even more than for my A01s... which is slightly concerning, even though I spent a shorter amount of time on them. How many pages were your answers generally?