Simply because there is nothing wrong with it - inless you think/feel so. Also, the main issue/weakness lies not in your sound system, but in the quality of source material ( discs, audio/video files). With well recorded/produced CDs or Bluray discs, I am often amazed at how excellent my own setup sounds. So, should we really focus so much on the electronics/gear OR we need to hunt down pristine recordings of our favourite music?