Earlier quoted context omitted.
Why does he need to make a historical justification for it then? It would be disingenuous if, as the blog author suggests, Andreessen knows better.
People have been doing self-examination for a long time, but Freud's use of psychoanalysis is a fairly modern phenomenon and it's benefits are dubious. Modern therapy looks increasingly like pseudoscience. I expect biotech/AI advancements to make much of modern therapy irrelevant over time, as we obtain fine-grained control over the actual processes in the brain causing various afflictions.
the only pseudoscience you mentioned is the idea that mental "afflictions" are entirely biological