This is a misnomer and the spin doctors have generated these stories. The middle man is there, do you think mukesh ambani will go and buy and sell to consumers, they also need middle man and their own highly paid but inefficicent employees.
Middle man here adds value to the trade and gets a fair share, he is not a middle man of the defence deals type.
The retail chains will bring high cost stores with AC and the burden of their staff overheads will be borne by the consumers like you and me. Pl understand the profit mentatlity and drive of a large business house is 100 times more than a locan shop owner.