sure, there ‘is no threat to heterosexual marriage if gays are allowed to marry’. Sure.
There is just that threat to all society (the overwhelmingly vast majority, btw) that does NOT want to engage in whatever perverse activity is being ‘tolerated’.
The ‘gay rights’ movement is as big if not a bigger threat to America and Americans than the abortion movement. While more lives will be lost through abortion, more Americans will give up their rights, dignity and standards under duress in order to have ‘gay rights’.
Smart photographers find other reasons to turn down the project.