Particularly, that they picked a very risky investment for money they couldn't afford to lose. There's nothing wrong with investing money you need, but you should invest it in a safe, low-risk way, like a savings account or bonds or something (though those have turned out not to be entirely risk-free either).
High risk investment, like, oh, some totally unproven payment technology, is only for money you can afford to lose.
High risk investment, like, oh, some totally unproven payment technology, is only for money you can afford to lose.