Do people not realize that everyone has both estrogen and testosterone in their system? And that those levels fluctuate over time? It's the amounts that tend to align with specific genders or cause specific aspects of gender attributes.

Cis people often need hormone replacement therapy and/or hormone balancing for health reasons. And the regulations making it harder to access those treatments affect cis people as well.

So support gender confirming care across the board cause transphobia is bad for everyone's health.