You are talking about an outdated data format which AgileBit had dropped. They already provide OPVault to solve the problem. What do you expect they want to fix?
Some of the readers may only skim the title of this article / They don't understand the technical details. So they will assume that 1Password IS NOT SAFE. It's a minor bug which will affects almost no one. But this article ( Title ) will affects so many people's impression on 1Password. You are just writing an article to punish AgileBit.
(Update: I was wrong about the Agile Keychain being dropped. It's still using in Dropbox Syncing but iCloud/CloudKit)