Why is there no technical content for web development?

Why is there no technical content in web development? I feel this sentence in the book "Programmer's love. It is also true that people often hear that web development has no technical content, so it is easy to get started. There are also some technical content such as outsourcing. Why? Is it easy to get started? Low entry threshold? Fast language change? (Fast Elimination ?) More importantly, why does web development have no technical content?
In the programmer's love book, I can see this sentence with a sense.
It is also true that people often hear that web development has no technical content, so it is easy to get started. There are also some technical content such as outsourcing.
Why?
Is it easy to get started?
Low entry threshold?
Fast language change? (Fast Elimination ?)

More importantly,
Is there no future for web programmers? Can I only eat popular meals? How can we find the constant essence in fashion?

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There is really no technical content at the bottom layer, but several people can touch its ceiling.
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The bottom layer is like the top layer of the supplier, just like the agents who sell well, act as agents, but they don't produce anything. they can only supply it to others.
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There is nothing to discuss. different people have different opinions. you cannot prevent others from having their own opinions. Similarly, you cannot leave yourself blank.
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In this way, can B be installed?

In fact, web development is very complex and involves many things, and the details are very serious ......
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I personally think: WEB development is a test of the comprehensive capabilities of developers. you do not only need to understand the development language, but also focus on the server side, load, security, user experience, etc ......

What I 've seen over the past few years is that it's easy to get started and difficult to find out ......
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WEB development requires many technical skills,
Because it is accepted that WEB development has no technical content,
Almost all good WEB development programmers are versatile,
Because it is not valued.

Haha.
The benevolent sees benevolence.

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It is indeed easy to get started with web development, but if you do more, you will find that you need a lot of knowledge. All aspects. It is no worse than applaction.