There's a quote from Clem (the Mint maintainer) in the comments section that's very, well, quotable:
> What really helps here is duplication and the community.
> We were alerted very fast and we were able to be alerted
> because people could find contradicting MD5s (and that’s
> mostly because the MD5s aren’t just in one place, but in
> many).
(Not sure if folks saw this earlier; it appears to have been edited in and as such I'm not sure when it first appeared.)