...Also, his clumsiness caused him to get separated from Qui-Gon during the duel with Darth Maul, which caused his death. Plus, if he had just taken the initiative to arrest Jango Fett in the apartment on Kamino, then that whole battle on Geonosis where several Jedi perished could have been avoided altogether. Plus, if he knew that Anakin was Padme's baby-daddy the entire time, then he could have just told him to leave the Jedi, settle down with her happily ever-after, and the whole ordeal would have never happened.
Maybe Anakin was onto something. It's all Obi-Wan's fault.