"is deadly and a silent killer for over a hundred thousand years... We no guarantee of any place on Earth being stable on those time scales."

The geological pixel - smallest possible measurable period - is 50,000 years. Nuclear waste is 2 pixels.

Everest is a 50 million years old. The chalk that makes up white cliffs of dover is 130 million years old. There are layers of bedrock over a billion years old.

So yes, we are making a bet in the sence that when I go putside I make a bet that an asteroid won't fall on my head.