Can't believe how few people have interrogated their own approach to hierarchy, fear, "respect" and all that gubbins. "It's TERRIBLE!...she would get an absolute rocket from me... the DISRESPECT ... I would say how DARE YOU!!!!... Remove YouTube for three weeks! We must have CONSEQUENCES!!"
These bombastic type of things make me just blink - how pathetic and empty they sound as ways to help a child learn. Is thst really how you see the relationship between you and your child? It's dysregulated on the adult side.
Parenting is different now because psychology has happened, analysis of patriarchy and colonialism has happened, we know more about human needs and communication. We know what actually gets things done by harnessing motivation rather than expending energy on punishing and correcting for no good reason. We need to create self discipline in our children but forcing extrinsic motivation doesn't actually do that.
People, specially children, lash out towards the boundary naturally, and the boundary has to be held with empathy and kind clarity.
The situation is, OP wants to enforce a rule about YouTube. She has done so!! Parenting win! Her daughter feels free to express her anger at this, but is staying WITHIN quite a few boundaries. She's not come out and hit her mum or screamed at her. She has protested in quite a calm way. She knows her voice matters.
She is literate! She has a good understanding of taboo and was deliberately using this to shock. BUT she has, really sweetly, acknowledged the boundaries by writing s**t. This indicates to me that she does know what is right and wrong, what is appropriate to different situations. I would eat my hat if this child would say something disrespectful to a teacher, she sounds intelligent and with a command of appropriate social register.
You can tell the calm, evolved adults on this thread, they are the ones not letting the sight of a swear word push them into a self righteous, brittle space of shame and blame.