For those not in the know, why is cryptic pregnancy tiktok bad?

I'd never heard of it, and from what I understand, it's a hashtag people use to share stories of how they found out they were pregnant late in the pregnancy because they didn't have pregnancy symptoms. But I don't understand why that would be bad for people to share/consume.

having trouble finding articles about this but there is a common associated mental illness https://www.nzherald.co.nz/lifestyle/women-who-claim-to-have...

at least in the facebook groups i have seen, this ^ describes the majority of participants