No man, blogs always need at least 3 paragraphs of wasted time aka exposition. Haven't you ever looked for a recipe online? No one can get to the point and actually show you the recipe, they need to first force you to read stories about their childhood that you really don't care about when all you want is to make buffalo chicken dip.

It has value to ease the reader into it and make them feel comfortable. The other extreme is Wikipedia which is often hard to understand because it's so direct. You can use whichever on you prefer!

I think smart young people sometimes forget there are lot of older professionals who aren't as quick at learning as them. I was surprised how much people appreciate slow boring video tutorials which I sometimes find frustrating. Engineers sometimes go on 2-day courses to learn to use some software. And they're simple stuff, way easier than a university class. They could have just googled how to do it if they were 25 and full of excitement for the hot new tech.