I've zero objections with people learning about power systems and such. My objection is with people learning it from YouTube, because the ratio of "good, safe,

I've zero objections with people learning about power systems and such. My objection is with people learning it from YouTube, because the ratio of "good, safe, correct information" to "absolute crap" is horrible, and until you're quite solid in the field, there are people very confidently spouting exceedingly wrong and dangerous information (tip: If you ever see anyone soldering to an 18650, assume everything else they're doing is wrong as well, because that's such a huge violation of every manufacturer datasheet - it dumps radically more thermal energy into the cell and plastic separator than they're designed for). There are plenty of better sources for information on how to do things energy related than YouTube.