Caveat lector. His empirical findings include the claim that because Google knows its users trend liberal (simple demographics would tell you that, without any intrusive analytics), it is unfair of Google to run universal "go vote" PSAs on its site, because doing so will favor the Democrats.

Here's an article he wrote on The Epoch Times, which I believe is cited in the section about how Google is running GOTV for the Democrats:

https://www.theepochtimes.com/another-way-google-manipulates...

Amen. When the first counter-argument is an assassination of the author's character-- we have a problem! The statements in the PDF are in the public interest. Debate them, don't simply make an ad homenim attack against the speaker.