Can/will you TL;DR your view?
As with any complex phenomenon in a complex system, there is going to be a laundry list of contributing factors, none of which is the cause (in the sense that fixing just that cause will fix the entire problem). We can start with
The opinions about the relative weights of these factors are going to differ and in the current political climate I don't think a reasonable open discussion is possible.
If it's worth saying, but not worth its own post, then it goes here.
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