You bypass a password manager the same way you bypass Chrome. Just open it. If someone left the PC unlocked, there is a good chance the password manager is unlocked too.
There is a timeout. Some people configure it to lock only when you lock the workspace.
If the suggestion is to lock immediatly after you use a password, then people will complain that it's too cubersome to enter the master password everytime you need to enter a password.
Nope, that's not true. Anyway, I'm done with this discussion. Google fanboys can keep using Chrome and trying to defend this bullshit, I don't care. Personally I'm done with Chrome until they fix this.
How you know it's a serious, well-thought-out, easily supportable position being argued for is that it's capped off with the accusation that people who disagree are "Google fanboys".