That was my perception and if you don't like it I have others. But seriously, I am a Londoner and it was my youth too, and I know what I saw. In the late stages it was frightening to see nazi skinheads with tattooed faces running through socialist demo (I think it was something pro Livingstone at the South Bank). And yes, you could see the punk fashonistas on the Chelsea High St, just basically posing next to Viv's shop. Been there ..
Whether Viv or MacL created SP or not, I am just giving you my impression re Anarchy thingy and my impression of MacL musical output.