There can be multiple reasons why someone do not like to have a child.
Seeing the economic situation (low wages, high price, uncertain workplaces) in certain countries, including mine (in Hungary), many people do not want to bring children to the uncertainty. And many people are happy, if they can maintain their own things (they financially cannot afford to have children). Also many people do not even like to have children, because they are happy and contended with something else. Like me.
So I also not like to have children. And I have multiple reasons for this. First, I found true love and true happiness in something else. Second, I have not liked children even as a child. Third, I would not have the patience and the nerve for a child. I have patience, but not for children, and nothing else makes me upset like the foolishness of a child, and this was true even when I was a child. Fourth, I also would not like to bring children to the uncertainty.
You are rationalizing the reasons for not having children for you, which is great. However, that isn't what this post is about. I don't think many people should have children, because they just aren't cut out for it anymore, because like you say,
However, this is also a response to a degrading community through increased individualism. This might be better long term, or it might be worse - but it is having an effect (I believe) on how we are approaching the future.