Yes, that's how I did it also.

Phrase: People with stupid children are not more likely to get their kid tutoring than people with smart children.

Rephrased: People with smart children are not less likely to get their kid tutoring than people with stupid children.

According to the last lesson, this is not an implied comparative. It is just an absolute claim; there is no comparison implied or reasonably inferred.

"... you don't want to confuse an absolute claim for a relative one.

Absolute Claim Example:

Tom’s recipe for lasagna is easy to follow for most people.

Okay, that means Tom's recipe for lasagna is easier to follow than most recipes for lasagna, right?

Nope. It could be true or it could be false. The statement just says that Tom's recipe is easy to follow (for most people). It could be that most recipes are also easy to follow in which case there's nothing special about Tom's. Or it could be that most recipes are hard to follow in which case, yeah, Tom's would stand out."