The " root " of the British Labor Party's political problem ?

True , but the root of their problem may have been Marx's beard - which H.G. Wells ( ? ) always threatened to trim.
I got it . Wrote Trotsky :

' [Yes, indeed, the Marxists, “the wearisome fanatics of the class struggle.” For the English social revolution, too, follows the laws that Marx has laid down. With the wit peculiar to him – heavy as a pudding – Wells once threatened to take a scissors and trim Marx’s “doctrinaire” mane and beard, to anglicize, to respectabilize and fabianize him. But nothing has come of this project. And nothing will come of it. Marx will remain Marx, as Lenin has remained Lenin, after Wells had painfully shaved him for a whole hour