every thing that went wrong would have been nullified, with one phone call, a phone call that is common place practice when making housecalls.
everything that went wrong could have been nullified by heed the reality that actions or inactions have consequences.
providing wrong map info, trusting sketchy information sources, lack of clear communication of purpose, and intent. lack of contact, with humans to confirm or verify.
its more than a victims contribution, there are second and third parties to look at.
maybe you don't intend this , but sounds like victim blaming.