Except that it does! Especially if your Sexuality/Gender is not accepted by your societal norms.
Your struggle to live your life outside those predefined boundaries is real and challenging! People who use these aspects to help define their identity are Valid as Fuck! It needn't be your whole identity, but it's certainly part of it.
Cis-Hets who claim it doesn't matter fail to understand the work and stress you've undergone to exist as you do now!