You are correct that people commonly reuse passwords. People are stupid after all. But in this case passwords weren't taken because they were encrypted, so all they've got is user names and email addresses.

From the sounds of it, the database was actually pretty secure the problem was the interface between the database and the website wasn't. Good news is because the database was secure not a lot of sensitive information has been leaked.

Crypto is a revolutionary product because it enables users to possess their own units of account. With great freedom, comes great security concerns. Keep in mind, the vast majority of scams are still conducted with fiat currency. Blaming ignorant crypto users does not overshadow the value digital assets provide to humanity. These benefits include: protection from fiat debasement, the ability to transact without intermediaries, global accessibility, privacy, and transparency. We're using the fediverse for fucks sake, so some of these features ought to be seen positively by many of us. You're absolutely right that greedy and gullible are drawn to crypto because "line goes up." There will always be a learning curve for new technology and hard lessons will be taught to early adopters.

Or earth F if you put it on a tier list