The way he approached the conversation was polite and informative, not at all threatening. However, he tried to come off as being transparent and humble, but there were obvious holes in his narrative, which I pointed out.
I asked him to elaborate on his thoughts about the design of the PPCB circuit, which he did, and was able to do without devolving into threats and anger. This is why I acquiesced and took down the listing, and came here for some background info. I'm thinking I'll change up my listing and use play on words and "references" etc