One of the more challenging things with cannabis is it can trigger people who are more predisposed to issues. Some of these things can stick around for a while, after an initial incident. Compared to something, like alcohol, cannabis based issues don’t only affect heavy or long term users. You might just be the unlucky person that cannabis doesn’t jive with.
That being said, I think she largely thinks legal cannabis is good. She’s seen recovered alcoholics who’ve turned to cannabis as their outlet without killing their liver and destroying their body.
However, acting like there are no risks to cannabis is not helping anyone.