We did it, and a significant part of our population is going crazy because they don't want to admit it. We have a name for this, and it is 'doubling down.' If you can't figure out how you made such a mess, you refuse to admit it is a mess and insist that it is precisely what we all should be doing.
I have been concerned about the mental health of climate deniers as the evidence becomes increasingly impossible to refute. Folks are not doing so well even dealing with COVID.