If you grow up with an authoritarian parent, you will know that their notion of protection and care of a child is bound in a sense of ownership of their children.
If you do anything that threatens to weaken that sense of ownership, the authoritarian equates this with a threat to them and their property (i.e. their children).
Protection of their property is the bottom line.
And one does whatever one wants with property. Property doesn't have much of a say in the matter.