Fear mongers hope that Yellowstone would blow because they lead boring lives.
Fact is, the last decade of 'fear-mongering' of Yellowstone Doom, is as far-fetched as life in the Sol System other than here.
Here is a very informative and entertaining clip on proving that the Yellowstone Caldera is actually 'declining' in potential to erupt in our lifetime, let alone for a very very long time, possibly never again considering it is winding down, rather than building up.
https://www.youtube.com/watch?v=ypn3Fe_PLts