Yes on 1. The writer even agrees.
2 I was okay with. It kept Garth's sacrifice, and didn't get that much in the way of later appearances. It also launched a few plots such as LiveWire's personality, and links with Validus plague.
3 Barely recall that other than a firm bleh. So agree there.
I'd also add
Earth Man
DC editorial fiefdoms allowing the super-office dictates, and sending Mark Waid to fight the corner.
Jan/Erin is going to be up there.
Letting Giffen blow up the Earth
Oh, that's 4...