The issue isn’t whether investment in index funds is scalable but whether investing in index funds is scalable.
I can’t imagine someone who has 1 billion dollars to simply put it into an index fund and do nothing with it and live life as if he wouldn’t have any money.
If you look at lottery winners most of them as relatively soon broken and without any money.
If a lottery winner has the same amount of money ten years later that shows good financial skills relative to other lottery winners.
The issue isn’t whether investment in index funds is scalable but whether investing in index funds is scalable.
I can’t imagine someone who has 1 billion dollars to simply put it into an index fund and do nothing with it and live life as if he wouldn’t have any money.
If you look at lottery winners most of them as relatively soon broken and without any money. If a lottery winner has the same amount of money ten years later that shows good financial skills relative to other lottery winners.