Periods of asset deflation after over-investment/economic distortions may act as a balance, but it isn't "good". Having your net worth halved is crippling.
>"The simple fact is that no economy and social order has ever imploded due to deflation"
No economy implodes due to deflation or inflation alone. Countries like Germany or Zimbabwe had production capacity collapse. That led to printing money (to stave off deflation), which in turn led to hyperinflation. Too much money chasing too few goods, remember? In order to have too few goods, the country's production has to go into the toilet.
Saying deflation isn't bad flies in the face of many of the greatest economic minds we know, with tons of research and theory to back it up.