Exactly.
OK. You found a biological mechanism that causes people believe that their gender (sic) does not match their sexed body.
Now what?
Male bodies and female bodies still exist, humans are still sexually dimorphic, male people who have this variation are still male, and female people who have it are still female.
Literally nothing changes.
It’s very telling that the reaction to more information potentially coming to light about an issue are met with howls of outrage. What other conditions which are apparently so grave as to drive people to the brink of suicide are characterised by the people suffering from them objecting to research? 
Bonkers.