The DOJ's 90 page lawsuit is a lot of things, but precise or even factual it is not. For example, it doesn't even cite the selling price or terms of the original iPhone correctly (off by almost 2x) and invents vague terms like "the performance smartphone market."
You didn’t ask “what was the price of the original iPhone”. Your questions were…
> So what influence are they exerting exactly? Why is it so pernicious?
Which are both answered in the document.
Almost the entire document is defining the performance smartphone market. It’s mentioned in the document 88 times. The definition isn’t “phones over $400” because it’s defined by the market forces that Apple creates - there’s a feedback loop