Sabine Hossenfelder these days is a YouTube personality, who likes to discuss subjects she's not an expert in. I don't know if that's the metric for "crank", but anything I hear from her is taken with a massive grain of salt.
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I ask you, what else you expect anyone else to do? Isn't this exactly a scientific process? and anything else amounts to gatekeeping.
(quick edit: I'm all for taking everything anyone says on the internet with a grain of salt though, even peer reviewed papers shouldn't be taken uncritically)
Science is a collaborative social endeavor that exists under a shared set of norms and rules that have the goal of producing new knowledge. She's skipping the social part. She could email these people and ask for input! Many of her weird mistakes and misunderstandings could all be caught by cursory review from a middling grad student.
None of these papers were written for her, she is not the audience, you are not the audience. One of the points of graduate education is to get people to the point where they and meaningfully engage with the state of the art. This process takes years!
Compare her output to people like the math/comedy youtuber matt parker or the numberphile channels, which invite collaboration from the authors directly. They aren't experts themselves, but they do the work to make it interesting and present things as accurately as possible.
Every field has a shared language and culture that needs to be internalised to some degree before you can usefully engage with their contents. Some terms you think you are familiar with will have slightly different meanings within a domain, and just assuming you understand it during even a well-intentioned and careful read can still lead you astray.