>I often see parents expressing their happiness with a state taking the role of a "bad cop"

As an actual parent, I have never heard of this or seen it. Can you provide some real examples?

> Can you provide some real examples?

How is the quote from OP's comment that is right at the end of the sentence you cited not a "real example"?

	▲	5upplied_demand 2 days ago \| parent [-]
		You said you've seen it happen "often" and provided no examples other than the one you are using to make your point. You implied that you have heard it multiple times in different contexts. I was asking for some of those contexts because as someone who is a parent and interacts with other parents frequently, it is not something I've encountered.