हमसे सीखे कोई जीने का सलीका। सफर कैसा भी हो, मौज़ उडाये जाते हैं।। - Amir

to know more about 'hub and spoke' concept I searched the internet.
This conept is thoroughly analysed, discussed for advantages and disadgantages in its use in Airlines. For Cargo it is ok, but for Passengers it is too troublesome:
When it came to face hassles, I imagined passengers are tossed like cargo. How irritating. Humans are no mor than cargo.
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answer to Luggage and cost simplyfies the question.
I have given the disadvantages of this 'hub and spoke' concept as under:There are, of course, disadvantages to a hub and spoke model. Any disruption at the hub, such as bad weather or a security problem, can create delays throughout the system. The overall operating efficiency is also limited by the capacity of the hub. Many airlines consciously choose different cities for hubs, so that two major airlines are not regarding the same airport as a hub. The airline must also schedule flights very carefully to ensure that all of the spokes are getting the service they need, and to keep passengers content.