What is Urrea's main argument/message in The Devil's Highway?

As other
educators have already pointed out, in The Devils Highway, Urrea aims to
humanize the immigrants who cross the border on foot illegally, to engender sympathy for their
plight, and to raise awareness of its core cause: social and economic inequity.

Adding to that, from my perspective, Urreas main message and main argument is
this:

Although its impossible to point the finger at any single villain or
politician or corporation, saying Youre at fault for this suffering, and although its
impossible to identify a single, clear-cut way to solve the rampant
inequity that causes border crossings (and all its inherent suffering and loss of life),
we all share responsibility for working to ease, and ultimately to resolve, this
humanitarian crisis.

At the end of the text, in the Reading
Group Guide, Urrea reminds us that many groups and regulations are at fault (such as corporate
bosses, the border enforcement policy in the United States, and the Mexican...

href="https://theconversation.com/why-care-about-undocumented-immigrants-for-one-thing-theyve-become-vital-to-key-sectors-of-the-us-economy-98790">https://theconversation.com/why-care-about-undocumented-i...
href="https://www.globalcitizen.org/en/content/7-ways-to-help-undocumented-immigrants/">https://www.globalcitizen.org/en/content/7-ways-to-help-u...