Being charitable to the author, the wording might’ve been like “our engineers aren’t familiar with this domain” or “we lack staff-level engineers”. I doubt they

Being charitable to the author, the wording might’ve been like “our engineers aren’t familiar with this domain” or “we lack staff-level engineers”. I doubt they literally sent out an email saying their engineers don’t know anything. That’s probably also why the author specifies “accidentally or on purpose.”