It is happening as we speak. As governments print money, they cause inflation by devaluing people's savings. But it still comes down to people to see this and start embracing the real value Bitcoin while dumping fiat.
Everyone agrees Bitcoin's being a store of value. But medium of exchange attribute was challenged until today. Lightning network and its ecosystem has matured and is changing this. A lot of people are breaking their transaction record on Bitcoin through nostr and zapping.
Once majority of people notice how powerful and efficient ⚡is, there is no going back.
People may opt in to supporting meaningful causes with bitcoin they choose. The volunteerism part.
Governments are notorious for wasting public funds & taxes. Just look at tax payer's money left to Taliban and many other failures.