simplistic

Overly simple.

• This simplistic method of using herbs isolates the disease from the person and the chemical aspects of an herb from its overall individual therapeutic effects.

In a manner that simplifies a concept or issue so that its nuances and complexities are lost or important details are overlooked.

• (Mao's) reliance on simplistic Soviet interpretations was reflected in his dismissal of Hitler as "a mere will-less puppet of the reactionary capitalists."
• The cliché is not untrue, but, like all generalisations, it distorts reality so that overly simplistic judgments have to be tempered by a few qualifications.