I would like to know who this "hardware vendor, who were initially friendly and supportive but after evaluations of their technology went poorly became bullying

I would like to know who this "hardware vendor, who were initially friendly and supportive but after evaluations of their technology went poorly became bullying and misleading" was, or anyway wasn't. A statement that it was not AMD would be meaningful. (We all know Qualcomm and Broadcom have their problems.)