This seems like a series of post on benchmarking results from different vendors so if he "disclosed" it once I don't think that there is need for another one.
[1] https://maxdemarzi.com/2022/12/06/khop-baby-one-more-time/
Weird. Linus Torvalds also hates one of the most popular languages in the world: C++. He must not know anything about operating systems...
What they say can be classified in three categories: Objectively right, objectively wrong, or subjective claims. Their conflict of interest only affects our evaluation of subjective claims.
Things that can be assessed as right are right even if they were said by Vladimir Putin; things that can be assessed as wrong are wrong even if they were said by Florence Nightingale. It is an ad hominem appeal to motive to suggest otherwise.
I can see he also worked for Neo4j. I suppose that with all the trouble neo is going through [1], he wanted to protect them.