One possible, slight, softening factor - if it's an accident/bug, I might consider them, if they can explain exactly how it happened and what extreme measures they'll take to ensure that it never happens again. But... their initial answer on that thread is

> Believe that's the Facebook pixel we use for tracking, we've forwarded to our web team for review in case that is not intended behavior.

Just... "in case" it's unintended is not promising.