Justmehere
Sponsor
1) People with PTSD experience hypervigilance and 2) Germs are scary which leads to 3) A person might feel the need to protect his or her family from germs.
Part 1 is still over generalized. I don't think anyone is wanting you to be more vague or long winded - that is annoying In my culture as well.
The shift in language is actually about being more precise and accurate - something most militaries appreciate.
"Some people with Ptsd" (rather than "people with Ptsd") is more accurate without being long winded.