It's meant to be a currency not a savings account. It's not called cryptosavings - although perhaps it should be. Bitcoin is sort of like digital gold, but totally sucks as a currency or way of transacting.

If it is inflationary like doge you have the incentive to spend it instead of hoard it.

Huge segments of the population use a savings account as their primary method of saving money; they don't invest, at all.