Yes automatic braking on vehicles is pretty safe and can actually save you from a collision.
Still even when you have automatic braking you still need to be alert and be prepared to actually step on the brakes in time before something bad happens.
The automatic braking system in vehicles today is a great safety feature and it has been shown to save a lot of lives.
But some people have also reported that the automatic braking didn't engage when it detected something in front of the vehicle.
And some people have reported that the automatic braking engaged on them and actually caused a crash when nobody was in front of them.
So yes automatic braking can be dangerous but it can also be more safe to have it.
However to really be safe while driving the driver has to be alert and ready to step on the brakes themselves.