This is misleading - it is actually just a financial thing, accepting that the approximately 350 members of a single organization, are entitled to tax breaks.
Druids have always been an accepted and respected part of British society: for example, the Brits have had the Eisteddfods since 1176, the Eisteddfod Genedlaethol Cymru (also registered as a charity and provided with funding in law by the Eisteddfod Act of 1959) since 1861, the Gorsedd Beirdd Ynys Prydain (Gorsedd of Bards of the Isle of Britain) since 1792, and King Arthur, as Battle Chieftain of the Council of British Druid Orders, is the only man in the country today legally allowed to walk the streets wearing a sword.
To intimate that somehow pagans/druids get a raw deal in Britain is nonsense.