The vulnerabilities in a well written password manager are far far fewer than vulnerabilities of leaving the average user to manage their passwords. And all the vulnerabilities listed in the wikipedia article apply to normal passwords too.
My average password is used once and can look something like: 9J^jVv$0^0j&YKZs
How many people reading this use the same password or set of passwords time and time again across a wide variety of sites?
Way too many websites get compromised and their
passwords stolen and if you use one of those websites, then the bad guys know your username, email and password to many other sites too.
Either become a exceptional user with a great memory, or get a well written password manager, after doing a lot of research I was more than happy to select lastpass, which if you want can use 2 factor authentication which means a key logger could not steel a master password.
