I'm not sure how that's relevant. Setting aside that being plausible doesn't mean it's true, would you be less supportive of gender dysphoria if there were no

I'm not sure how that's relevant. Setting aside that being plausible doesn't mean it's true, would you be less supportive of gender dysphoria if there were no plausible biological explanation for it? Alternatively, if there were a plausible biological pathway for people having species dysphoria, would you be more supportive of furries?