There will be people outraged by the latest initiative of HMRC: to demand that the likes of Airbnb, eBay, and Vinted furnish it with details of everything bought and sold on their online platforms. The taxman should keep his nose out of the sharing economy, many will say. People who sell their secondhand clothes, books, or who earn a little holiday money by letting their property to tourists while they are themselves away from home are doing the environment a favour, they will argue.