You can't just conveniently ignore that "professionalism" is a concept that exists and is pretty clearly what the original author meant based on context and content. Refusing to interpret things in the most plausible manner just wastes everyone's time.
For example the phrase "unprofessional professional" means a professional (ie getting paid) who is behaving unprofessionally (ie exhibiting a lack of professionalism).
For example the phrase "unprofessional professional" means a professional (ie getting paid) who is behaving unprofessionally (ie exhibiting a lack of professionalism).