Was Bukhari really a Jew?

The Islamic history written by muslims has plenty of 'fabrications' to make Islam look bad. Like the first sirah of the prophet by ibn Ishaq, the sunna of the shias (wahabbis say shi'ism was created by a jew), and bukhari's collection too. Weren't all of these men really enemy Jews (or maybe Christians)? Why else would a devout muslim say the prophet murdered poetesses, beheaded an unarmed Qurayza Jewish tribe, and that Ali burned people alive? I say the above supposed 'Islamic scholars' were really a Jewish conspiracy theory.