Aepervius
Non credunt, semper verificare
If you have the information that "defect" is an offensive term, you can't really claim that you didn't know that "defect" is an offensive term.
Whether it is offensive or not does not matter. All the study I have read, none classify disphoria (and gender disphoria) as being "normal", all the language point to it being abnormal behavior. DSM 5 change the term to gender discongruence but in the end it stays the same : this is not a normal behavior.