You can both play and author BluRay on an Apple. You just need a blu ray drive, and some appropriate software. The later of which is not free to the problem may be more a disinclination to purchase than an inability to do the operatiosn.
To playback, try Mac Blu Ray Player (http://www.macblurayplayer.com/
). Both Adobe Premier Pro and Final Cut can make BluRay discs on a Mac at the higher price point ($800-1000) or at lower cost Shedworks Revolver HD or Roxio's Toast Titanium Pro ($40-150).