You are assuming the 17yo in question as an untrained underdeveloped savage. If I were 17 in 2026, I would certainly have exploited all the availabilities from 2010 on - including YouTube, OpenCourseware, the Web simply (Sebastian Raschka etc.) and LLMs.
That 17yo would have already built many uncommon bases, and would build further.
That 17yo would have already built many uncommon bases, and would build further.
That is, a 17yo with proper mentality.