Why disown your sacred books?

The Sunnah and Hadiths have very clearly proven some of the questionable things prescribed in Islam. So why should Muslims disown and protest.

Muhammed Movie Trailer- Responsible For Riots in the Arab World 09/2012 محمد مقطورة - YouTube:

Innocence of Muslims (The Muhammad Movie) by Sam Bacile (full HD)) - YouTube:

Who says plants don't have life

Plants cry for help when an attack can be expected:

I heard Muslims and Christians believe plants don't have life.