Why Uchihas Never Copy Jutsus With Their Sharingan

The Uchiha clan is powerful, but they don't use the main ability of their Sharingan. The power to copy other jutsus. Why do they limit themselves so much in the Naruto series? Why wouldn't Sasuke, Madara, Shisui, Itachi, or Obito copy jutsus like Kakashi? Become a member to get cool perks: https://www.youtube.com/channel/UCOtn4rEY_fVhpetxmfbxG2A/join Like the video! Subscribe to DygoKnight: https://www.youtube.com/channel/UCOtn4rEY_fVhpetxmfbxG2A/featured?sub_confirmation=1