They have net worth of $500m. They invested 2% of their net worth in to bitcoins. This is not savvy, it's just simple diversification that probably everyone in

They have net worth of $500m. They invested 2% of their net worth in to bitcoins. This is not savvy, it's just simple diversification that probably everyone in this net worth level is doing. The article reports it incorrectly that they are "first bitcoin billionaires". If you had $1 billion net worth you probably had at least a million dollars (0.1% of your assets) invested in such exotic things that would have high risk, high rewards.