Nexus 5 battery is bigger (2300 mAh) and lasts ~4 hours under real usage - lowest screen brightness and no LTE. Google claim: Internet use time up to 8.5 hours on Wi-Fi, up to 7 hours on LTE.
Not really. The reason for the deletion was avoiding being down-voted by stupid people like you who didn't get the point (since the account is new and may be shadow-banned).
I had a somewhat similar experience. I was using PHP for many, many years and after hearing all the fuzz about Ruby/Rails I tried to learned it but it didn't really click with me. However, when I tried Python/Django I was immediately hooked. The main deciding factors were Django admin site and the (cleaner than Ruby) Python syntax.
"Any intelligent fool can make things bigger, more complex, and more violent. It takes a touch of genius - and a lot of courage - to move in the opposite direction." ~ Albert Einstein
So don't take their word for it.