Let's be realistic.. let's say you are a c++ programmer and want to learn some modern JS framework. I bet you it will literally take less than a week of concentrated study work for you to become better than 80-90% of people working with it. You can get a book on the subject, there's great tutorials, heck, just reading the reference will get you far.
This is true for a lot of stuff on youtube, coursera etc. I believe. It's for people who don't want to get to the destination faster, by reading a few books and doing the exercises in them.
This is true for a lot of stuff on youtube, coursera etc. I believe. It's for people who don't want to get to the destination faster, by reading a few books and doing the exercises in them.