I don't think this is always true. You could believe that something like Bitcoin is a good investment over a 10-year term, but recognize that it's volatile in t

I don't think this is always true. You could believe that something like Bitcoin is a good investment over a 10-year term, but recognize that it's volatile in the short-term, and so want to dollar-cost-average for that reason, regardless of what you think the broader economy might do. Some might even see it as a hedge against the rest of the economy.