Scientists have been predicting the end of the world coming very soon for many decades now, they're no better. At least the Bible thumpers are consistent. The scientists move the goalposts everytime it doesn't happen. Once one thing is done that they say we need to do to avoid it then it's something else, and something else, and something else.
The "scientists" version is just as much fiction as the Bible thumpers. There's also no shortage of scientists that disagree with them the whole time.