JK Rowling is wrong to question the trans lifestyle, but perhaps not for the reasons you think.
"Hate not the transgender, for he is not the horror."
The horror is the entity that would crush and twist a man's soul into such a perverted and disgusting vessel, for that is the enemy
Say what you will about the transgender, that he is weak to fall prey to such things, but you cannot refute the fact that many people need and seek guidance in this life.
Imagine if you will yourself, the times that you have sought guidance from a parent or a trusted friend. Now imagine you do not have this, and instead are given this guidance by a great evil, the same way the "urban youth" without a father is taught to commit violence, or the social outcast who is told to pervert himself for acceptance.
Indeed the transgender, simply a product of the propaganda, is not to be hated; he is to be pitied, for he was once your brother. It is the propagandist who is to be hated, for he is the one responsible, and he is the one who has twisted and corrupted the soul.
Now I remember you
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I don't believe in belts. There should be no ranking system for toughness.