LOL at millenials who can't read step by step instructions and have to sit through a video that you can't fast forward through easily.
I feel ya somewhat. Here's the thing though, and hopefully this might help you think of it differently.
It's NOT just a millennial thing. I had a really hard time figuring out some of the aspects of tuning, not with the Nefmoto software, but I had issues with boot mode programming.
I'm not stupid by any means, hell, I don't even score poorly in reading or language, I never took the sat, but I scored nearly perfect on my military ASVAB in every category...highest my recruiter had ever seen, I was offered any mos I wanted in the Army, even military intelligence.
I still had a HUGE issue trying to learn to boot mode program, I spent an entire night awake after an Allroad ecm became bricked and the customer was freaking out on me.
Science and psychologically have studied the subject intensively and some people are just visual learners. I start reading and get lost when it comes to technical things only, because I start trying to visualize when it's talking about this wire needs power this needs ground, hold for such and such seconds, etc and I get lost.
Once I learned it I wondered how the hell I ever had an issue, but it's how my brain works.
This isn't really so with reading literature, I even speak German as well no problem and can read it. But if what I am reading is technical or mechanical in nature, if I don't have pictures to see what we are talking about, I quickly become lost.
There's just different learning styles.