How does anyone actually get away with stealing money from their parents?

I've seen a couple videos about teens or even young adults stealing up to $1000 or more from their parents' hard-working money. The parents' reaction is usually shocked, in tears or trying to lecture them. Seriously? How does anyone actually get away with that and the parents doing nothing?

If I stole $1000+ from my parents at any age (never done it), apart from the guilt if I weren't caught... lets just say I would get into real BIG trouble with them. And it wouldn't be just a ''You know it's not nice to steal'' long lecture nor the ''lets humiliate our child'' technique to teach them.

They would be in absolutely NO mood to apply creative nor elaborated humiliation methods. They would be straight to the point, get it done and over with... I would be screwed.
How does anyone actually get away with stealing money from their parents?
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