Did you just compare consumer preference in media consumption with a government failing as if the connection is self evident? You're fucking with me right?

newspapers dont have guns

Anonymity significantly hinders tax assessment and collection. Removing anonymity to increase taxable base is part of reason for the rapid push towards electronic transactions away from cash even in developing markets (the other parts are cost of securing cash & to reduce middlemen corruption).

So governments & financial institutions will certainly embrace blockchain tech as a potential way to possibly reduce transaction paperwork (read eliminate backoffice jobs) but anonymity which underlies bitcoin is unlikely to be supported by governments.