Are shopkeepers, who buy groceries at a wholesale price and sell it for a profit at a retail price for a profit middlemen? Do they cause inflation too? Should the government do something about them?

And the rental car company I use also buys the car for one price and then rents it to me for a profit. Are they evil middlemen too?

And the restaurant I ate dinner at last night bought the products for one price and then sold them to me for a profit. Are they middlemen as well?

If you don't like the price of the rental accomodation, then don't rent it.