Avoiding reasoning about the nature of your beliefs (and why others might be subject to those beliefs) is a weakness in thinking.
"Should" is also the easiest way to create a clickbait headline to argue about because there are so many individual interpretations and following justifications of "should".
Depending upon the context, "should" can run the gamut of "here's an idea that you might want to consider" to "you have a serious moral failing if you don't do things this way."
Avoiding reasoning about the nature of your beliefs (and why others might be subject to those beliefs) is a weakness in thinking.
"Should" is also the easiest way to create a clickbait headline to argue about because there are so many individual interpretations and following justifications of "should".