The Missoula Floods. This kind of thing has been happening for a good long time.

That doesn’t diminish the tragedy in any way, this event was shocking and brutal. But it wasn’t the first and won’t be the last.

“Guys this isn’t global climate change, this happened once before at the end of the ice age!”

I have no clue what point you’re trying to make, but I don’t think you got it across here.