I am so livid at the way you were treated. Doesn't matter if you had been 14yo, these people need to be shot. What makes one birthing woman less deserving of respect and care than another? Absolutely nothing.
I was glad to read you tell the middie to bugger off about the breastfeeding. You are spot on, they had absolutely NO right to just jab you with things you had asked not to be jabbed with.
Do you think you could use all of what you have written to write a letter of complaint to the hospital? I would strongly suggest it - it might even help another young mama down the track if they can start thinking about changing their approach or one day formalising some training about young mothers (for the benefit of staff who are going to hold grudges or let their ignorant ideas affect their performance and care of women).
Thanks for your story, it's nice to be reminded of the sheer strength and resilience us women have in adversity!