Tiny Keltham was not ultimately satisfied with this explanation once it completed, and did, in fact, start trying to band together with other children to overthrow Governance. Tiny Keltham convinced four other boys and one girl to go in with him on that.
And what happened after that point would be a story for another time. But let's just say that if, in fact, all of the grownup adults in Golarion are secretly collaborating to construct an elaborate false reality around Keltham, it would not be his first time.