>>>>>>I've read Harker and I rejected it at the time as did the majority at the time<<<<<<.

No they didn't. Those that understood it criticised the inaccuracies and the approach and the political bias, but those who had any knowledge of the subject took from it what it offered, a critique of those who strove to manipulate what was being promoted as 'folk'. Those of us who had already done detailed research into the subject ourselves were able to pick out the acceptable, reasonable and sometimes already well-known facts and opinions.