1.
On Harry's complaints:
3.
On gaps in Hogwarts' curriculum:
5.
On architectural anachronisms:
6.
On Harry being a bit stupid:
7.
On Sirius's dramatic personality:
8.
On changes between the book and the movie:
9.
On good and bad retconning:
10.
On American wizard schools:
12.
On Voldemort being a terrible wizard:
13.
And on Snape being a terrible person:
14.
And on how JK Rowling needs to stop with all the extra details already: