Religious beliefs are not inherently dangerous unless they cause you to take radical and dangerous actions (like suicide bombing)
...or refusing to social distance, wear a mask and get vaccinated.
People can believe anything they like and most are not a danger to the community because of their beliefs.
In my experience, people who regularly believe false things often
are a danger to the community, though that danger might not be immediately apparent.
In fact, many don't even act in accordance with their beliefs (few people stone homosexuals even though it is written in the bible). It is only when somebody seems likely to do a dangerous act that we need to intervene.
Beliefs that people don't act in accordance with aren't true beliefs.
As for parents passing on their beliefs to their children, I would have a big problem with banning parents from taking their children to church or arranging religious instruction for their children. That is precisely what the first amendment is designed to prevent.
The first amendment says "Congress shall make no law respecting
an establishment of religion, or prohibiting the free exercise thereof; or abridging the freedom of speech, or of the press; or the right of the people peaceably to assemble, and to petition the Government for a redress of grievances".
But that doesn't give 'believers' the right to do whatever they like in contravention of other laws. You can't get away with stoning homosexuals or abusing children just because your religion commands it. Filling a child's mind with lies is a form of abuse.
My observation is that many posters here were brought up in accordance to their parents' religion. But people learn to think for themselves and most of these same people are now the biggest atheists on the forum.
How to Lie with Statistics, chapter 1. The sample with built in bias.
The vast majority of families in the US are religious, and very few children grow up to become atheists. But this forum attracts atheists - especially those who came from a religious background - so
of course many of them meet your criteria. That says nothing about all the others who
didn't learn to think for themselves.
If you are thinking about those who would radicalize children and push them towards murderous rampages then the leaders who would do that are not truly religious leaders. They are more Hitler types (pardon the Godwin) who are more interested in their own personal power base and their own twisted hatred.
You are wrong. The most influential religious leaders generally
are more interested in their own personal power base (and often their own twisted hatred too), but that
doesn't make them 'no true Scotsmen'. Religious organizations are not different to others in that respect, but their core nature of making up and propagating false beliefs encourages it. It's almost inevitable that an organization built on BS will be run by the biggest BS'ers.