Bitcoin can protect people from :
1. Money inflation, that's meaning when the price of money of your country go down, your assets is still safe because bitcoin is cryptocurrency.
2. Devaluation, protect you when the goverment make a decision to lowered the price of money of your country.
3. Depresiation this same with devaluation, just because different reason or the goverment.
4. Natural disaster, protect your assets when your place got a natural disaster, because you invest your assets in digital.
5. Crime, protect your assets from s crime activity
Maybe another friends can give you another answer. Thanks
Youre right on devaluations protection when governments lowered the money price,but we are facing this daily when dropping of prices happening becauseof volatility.so this is much riskier than devaluation
But all of your points are greatly appreciated since you have mentioned the hardest part of money and the goodnessof bitcoin