1. Your two bags are quite large, I've never had issue with storage in F class
2. Why ottoman when you have a seat that goes up? Some people prefer not to have an ottoman (including myself) and the leg room is incredible.
3. I think the EK F seat is probably the most comfortable airline seat I have sat in, and I've travelled Etihad Apartments which is way bigger and roomier. I find the padding, leather, and width to be perfect.
4. Door controls and screen come down to wear and tear and is unfortunate, based on one of your photos it was still an HD ICE though so ... the newer planes have incredibly large screens, it's like a movie theatre
5. I agree the placement of the mattress behind the seat is not great.
Your assertion that J > F is ridiculous