Earlier quoted context omitted.
OK I'll bite ... why should I not use my browser's built in pw manager? (e.g. Safari on OS X Mavericks) I can see an argument about cross-platform use but is there another reason or reasons? thanks,
This is why: http://raidersec.blogspot.com/2013/06/how-browsers-store-you... TL;DR Firefox with a strong master password was considered safe at the time of that article's writing (June 2013). That + Firefox Sync is what I use - I would also be interested in anything more up to date on why this is or isn't a good idea.
It is, however, the browser’s job to protect your passwords against other websites and the like, and I would be worried if there were bugs in that area, but your link doesn’t say anything about them (note also that using a password manager with an extension for protection against someone taking over the browser is useless, as that someone also owns the extension and hence can impersonate it towards the seperate password manager).