Religion is just a way to threaten people to "be good or you will go to hell"

Not nuttycelery.

Some religions insist that you be a good follower of that religion or you go to hell, but there are plenty of religions that I'm ignorant about...

Most religions aren't Christianity. Hell is a fairly Christian concept. It's possible that Islam adopted the notion from Christianity. However, I grew up with Judaism, which does not include a belief in the notion of Hell. In fact, it didn't include a notion of being punished after you die at all. Some Jews do hold one, but Judaism is open to either belief generally and doesn't inherently include a notion of being punished after death.

I believe Hinduism has reincarnation, which isn't compatible with a notion of Hell at all. Although being forced to spend a lifetime as a bug might be pretty bad.

Religions vary a lot though, and this seems a very Christian-centric claim.

Not all religions have a hell, but more religions than not do feature a hell/punishment of some kind.

Christianity actually just stole many aspects of other religions and stories and just threw them together. For example, Noah's Ark was part of the Epic Of Gilgamesh before it was part of the Bible. Hell was a popular enough concept, so it made it into there too.

The difference is that before Christianity, it was "be good or go to the underworld", or "be good or the spirits will get you", or some such nonsense.

And besides, a religion that says you better do what God says or be tortured is likely to get a lot more support than a religion with a more peaceful concept.

I agree with your last paragraph, but my point is that "Hell" is too specific. As stated, Hinduism doesn't say that at all. And Judaism doesn't either; you go to the afterlife that isn't as good as this life whether you're good or bad. Although there's something about a resurrection thrown in there when god is supposed to bring all of the dead back to life, physically, in their bodies, but that's far in the future.

I agree that religions tend to threaten people. I just don't think all of them do and they obviously do not all do it with a Hell.

I never said it had to be a hell.
But usually they do it with something similar. It doesn't necessarily have to be a bad afterlife. It could be a curse, or a bad life, or a bunch of militaristic Jews charging toward your house at top speed in a Merkava tank. Just like in Gaza.

Actually, that is what your claim said.

I said "hell/punishment". That includes things not in the afterlife with the word punishment.

Oh, sorry. You didn't make the claim. I was referring to the claim. The claim says Hell.

Oh. Good point. I was overgeneralizing a bit there.