such as like this:
The concept of gender identity is said to be real as an experience, (like how theists claim to see god [a claim basically]), but scientifically under-defined, weakly grounded biologically, and sometimes treated as more fixed or explanatory than current evidence justifies.
You might wanna look into the work of Judith Butler. PhilosophyTube did a great video about that on youtube. That explains it in detail. There is no conflict between gender and sex. Two only weekly connected concepts