electronic money issues are - you need electricity to work - you need internet to work - you need computers to work - it is not useful in any other possible way - it costs money to "change ownership" - it is VERY easy to clamp down and regulate by the "government" - there are just too many of them, all with the above problems

all of the above are not going to disappear because wishful thinking

People say this constantly, it is still here. I look at shitcoins like a stock market for poor people.

Grantham is correct. He made a mistake about gold though in this article by stating

He added that gold has still delivered solid gains over the same period, even after pulling back from its highs.

That's inverted. Gold doesn't gain or loose: USD does. I'm very surprised he described it that way.