They Walk Into a Bar..

While the kid could not talk, just from being able to hear his thoughts, Daniel was able to learn that he possessed an intelligence off the charts. His thought process was unlike that of any other kid his age, and he was able to understand, assess, and react almost instantly to most situations.

The idea that had lead to his parent's invention, and that ultimately was the cause of their death, had been inspired by a question that the kid himself had gestured to his mother, when the two were unsure of how to proceed with their project.

That lead Daniel to believe that if he was forced to use the ki flag for help, he must have been truly desperate, and out of options.

Originally, when the kid had just woken up, he had believed Daniel to be the friend of his family which should have come to the siblings' aid if he used the ki flag entrusted by his parents, but it didn't take long for such an intelligent kid to understand that that was not the case.