This is a reductionist take on what password managers actually need to do. A journal log is actually worse than the XML in this regard in that the number of events far exceeds the actual relevant relations. Also, adding an attachment/icon his no longer possible. Simple group associations and tags also become a complex nightmare in a log based system, whereas in SQLite they are super easy relationships. Relating passkeys, totp strings, icons, extensive history, etc all to one entry becomes too much of a task for that kind of format to handle.