I remember reading about that data leak quite some time ago, and if I am not mistaken it was around 2016 when it first started getting attention in the news. Back then, a lot of large organizations were dealing with similar issues, so it did not feel completely isolated. What I find interesting is how these incidents stay visible in breach tracking platforms for years, even if the organization has already taken steps to fix the problem.
In cases like Qatar National Bank, I think it is important to separate the historical incident from the current security posture. Just because something appears in a breach database does not necessarily mean the same vulnerability still exists today. Still, it does raise awareness about how impactful such leaks can be, especially when financial institutions are involved.