Thing about the US courts: until that happens and precedent is established, there's no "correct". Both are equally plausible based on how past laws have been expanded past some people's ideas of reasonable. It's the whole "I can't define pornography, but I know it when I see it" concept.
“Smelling marijuana” is easy to push with plausible deniability.
Claiming there is imminent risk of sexual abuse is really difficult to justify on the fly. It may happen, but that’s going to be a tough edge case for cops to abuse.
