There is also the small thing that Palpatine needed the Jedi to discover the clones so that he could start his war. As I understand it, Palpatine ordered Jango to use the toxic dart on Zam with the knowledge that the Jedi would eventually trace it to Kamino. He also must have ordered Dooku to erase the planet from the archives, which would draw attention to itself when combined with the existence of the dart. It then follows that Palpatine must have ordered Jango to go to Kamino and wait for the Jedi to show up, and then lead the Jedi to Geonosis so that the war could begin. It sounds really contrived when put in those terms, but that’s George Lucas for you.
If anyone has another reason why Jango would singlehandedly lead the Jedi into a war, I’m all ears.