So:
1.Calm down. No reason to get offensive, i just posted my first impressions
2.I dont know why you think that you cant be in Berlin in 42 with this build. Just did that. Its same in SP as before the update: You can directly go into a full scale offensive when germany starts barb.
3.I just dont like it when there are large kinda interesting but weak parts of focus trees, you would like to pick for immersion, but have no real time to do that. Here I skipped 90% of the diplomacy, the naval and air force part.
Bonus negative points when those things were actually done before the war in RL .
4.Yes, choices are nice , but i dont see choices in the part of my post that you quoted. I just listed things i did wrong and would improve next time. For example me having full air doctrin and a low level of landdoctrin does not result from my actions. (Or better it results from the lack of actionsn) I did not focus on getting it. You just, get so many air exp in spain that airdoctrine is really easy to get