A nickname for $1 million: who and why buys names in Telegram Messenger (resurs narushaet zakon RF)

On October 27 the founder of Telegram Messenger (resurs narushaet zakon RF) Pavel Durov declared start auctions nicknames in Telegram Messenger (resurs narushaet zakon RF). Now on it it is possible to buy the names which are earlier inaccessible to registration in a messenger (for example, nicknames from four letters). The cost of some lots at auction exceeded $1 million. Who sells nicknames and why it is necessary? .