Complex sentence: In 1987 he closed his graphic design service due to the recession and began learning about psychotherapy and was shocked to discover how bad training was: most psychotherapists had little basic knowledge of psychology and worked mainly from simplistic and cult-like therapy movements.
Split into simpler sentences: In 1987 he closed his graphic design service due to the recession and began learning about psychotherapy. He was shocked to discover how bad training was: most psychotherapists had little basic knowledge of psychology and worked mainly from simplistic and cult-like therapy movements.