It's bloody obvious what this is really all about, isn't it. Let children consent to changing their legal sex. Let children consent to getting a tattoo. Let children consent to sex with an adult. Children know their own minds after all.
I have a 12 year old. He doesn't even know how long to toast a crumpet for but he should be able to understand the long term implications of puberty blockers? He has to leave the room if there's kissing on the telly FFS.