These stories are are always fun to read, and this one was especially well-written, so I'm glad it was posted. At the same time, there's a fair bit of survivorship bias and mythology in the "wiz kid teen helps out a clueless adult and starts a great career in tech!" story. For starters, this was largely a phenomenon confined to a narrow strip of time from the late eighties to the late 00s. Before that, computers were…
However, those who love tinkering with computers and technology of their own accord have far more opportunities and resources than we did when we grew up.
If you love tech, you've been teaching yourself for years -- it will shine through during those first interviews and through all the years of your career.