3-4 different hand positions ? Yes I find the 'cruising' position on the hoods very comfortable.
Handlebar bag sits between the drops without squashing brake hoses, gear cables etc...
Shitty headwind day, get down in the drops and it feels a little bit easier.
Its matter of choice, a lot of people like flat bars and as long as you enjoy riding the bike, go for whatever hits the spot.
RTTR (Race to the Rock) called RFTR (Race from the Rock) this year is underway right now from Sydney 'rocks' to Adelaide, the riders are on anything from FS MTB to pure Gravel bikes.