4-> I agree. You can’t use fragments everywhere. For styling purposes, you will need to use divs. I said wherever possible.
5-> Yes thank you. I just wanted to show the use of memo.
7 -> Maybe. I am on the middle ground here. I believe there is good logic on both sides.
12 -> Yes
22-> Exactly. I completely agree with you. that's why the resource I attached at the end of the article is for that purpose.
Thank you for taking the time to point out these things :)