Much of "Web3" is either a scam or vaporware, that's not really disputed even by cryptocurrency proponents. There also isn't good regulation in most countries currently, in the US for example regulators are dragging their feet, so it's a 'Wild West' type situation like the early internet.
The point is more about banking specifically though, and about taking back control. Grandpa should obviously not swap his life savings for BuzzwordCoin, it's not ready for him. But for someone tech literate like I presume the other user is, holding some emergency funds in a way they have full control could have saved them. Hopefully there will be more integration with the established financial system and easier and safer ways people can move in and out of self custody.
The point is more about banking specifically though, and about taking back control. Grandpa should obviously not swap his life savings for BuzzwordCoin, it's not ready for him. But for someone tech literate like I presume the other user is, holding some emergency funds in a way they have full control could have saved them. Hopefully there will be more integration with the established financial system and easier and safer ways people can move in and out of self custody.