Countries might benefit more if they would invest today in BTC rather than gold, but we are quite far from there imho.
Still countries will benefit more from investing in gold today rather than investing in US treasuries.
About your "we don't need them" - I don't know what group of people this "we" refers to so I cannot comment.
Humans love gold since as far as history can see - it will not change.
Humans need an open and honest currency, and gold.
hi

"we" means productive people, "them" means leeches.
humans will always love gold, it's a very cool metal. but it's use as a currency is limited. store of value? probably, for a while, but there's just so damn much of it.
but this is the part I really like:
Countries might benefit more if they would invest today in BTC rather than gold,
At some point, a political party will win a majority vote on a platform of using bitcoin for at least some portion of it's finances. it's public money and we deserve to see where it's going. it will take a long time, but barring 1984 styles police-state apocalypse, I think it's inevitable.