oversimplified russian

• вульга́рный

  vulgar, coarse, tasteless, ordinary (in a common way)

  oversimplified, crude, distorted

• схемати́ческий

  diagrammatic, schematic, sketchy, oversimplified

Examples

• Схематичность плана вызвала много вопросов.

  The oversimplified nature of the plan raised many questions.