Witkowski is frequently contacted by the media to comment on alleged frauds and abuses in psychology, psychotherapy, and other areas of scientific activity.

The journal's editors checked the data and actively 'helped' to write the article, by proposing to add to it pirated excerpts from an old review of Rupert Sheldrake.

[16][17] In March 2012, Witkowski and fellow Polish Skeptics Club members organized and coordinated a campaign in Poland called "Psychology is Science not Witchcraft."

[18] Information about the campaign was publicized by major nationwide journals, newspapers, and radio stations, as well as on the largest Polish Internet portals.

Scientists, lecturers, and students wore T-shirts featuring Rorschach inkblots and the campaign's slogan at their universities, in their workplaces, and on the streets.

He is a staunch critic of the scientific validity of many psychotherapeutic modalities, concepts like neuro-linguistic programming,[20] Adult Children of Alcoholics syndrome,[21] and projective tests.

[7] He criticizes scientific psychology for the lack of reproducibility, low access to raw data and proliferative character of his discipline.

Physician and author Harriet Hall, who wrote reviews on Witkowski's books, points out that his myth busting on diverse topics such as psychology, science and culture, prompts readers to reconsider many of their cherished beliefs to eventually realise that much of what we think we know is wrong.

He notes that society packaged suicide in a particular type of hypocrisy, where it's either presented as an admirable act of heroism (when committed in the name of God, homeland, honor etc), or as a mortal sin (when carried out in order to end one's own misery).