It would be pretty easy to identify accounts for same users. Most people use same email or username on most of their websites. The point of password managers a

It would be pretty easy to identify accounts for same users. Most people use same email or username on most of their websites. The point of password managers are to have true different password for different site and users don't need to remember it. For the inconvenience the author has, there are other secure ways to handle that, no need to sacrifice security for convenience. For example, to have a usb drive with portable password manager installed.