Because being gay in America is harder than being a prisoner of war:
Whose office is that?
Just try to wrap your head around the fact that the Democratic Party incentivizes its Presidential hopefuls to replace flags honoring POW/MIAs with rainbow gay pride flags.
Captured during war? “Ehh, whatever.”
Take it in the ass? “Oh my goodness, you are so heroic and brave! Thank you for your service to this country!!”