Why do zero-technology-barrier Web 2.0 applications still feel difficult?

There are a lot of Web2.0 applications, and under the guidance of its humanized and personalized concept, these applications are not difficult for ordinary users. So-called zero technical barriers, blogs are the most typical example.

But at the same time, there are many problems that are not too technical but have actually become a "technical" issue that tests how people cope with and utilize new things.