The backlash is not devoid of logic and facts. Again, a shitty argument does not merit a thesis on it's shittyness from everyone who dismisses it, and there are plenty of in-depth critiques that you would've sought out if your agenda was to actually look into it and better yourself.
Also, Google firing him did not shut the argument down. He can happily draft more memos or expand on it. Google Docs is free.