Rodkinson was a dodgy geezer.
See Rabbi antelman`s books To Eliminate The Opiate. Vol 1 or 2 I cannot remember which, I think it is in vol 1. Available from the texas noachides.
He is not all always meticulous in its logic, often suggesting guilt by association. But to paraphrase the pro israel character, Al Cuppet. These slimy characters aren`t going to write signed affidavits testifying to their guilt. It is not to be sniffed at though.. He does get moses mendellesohns "ordination" certificate.. I cannot remember his evidence against Rodkinson.. I think he said he wrote an apologetic about the talmud, in his introduction, in order to try to legitimise attacks against it. Strange! But there were other things about Rodkinson too. I can`t remember them. I think it is vol 1.