I don't get why there is so much resistance. It's an old, outdated technology that has to be replaced eventually. Yes, change is always painful. But this isn't like with RSS were the tech provided clear benefits we would loose.
????
Using FTP doesn't put your computer at increased risk of being hacked.
Not updating your browser _DOES_ put your computer at increased risk of being hacked.
In any case, integrating FTP in your browser absolutely increases your chances of an exploit, though. When was the last time the FTP code was tested? Or worked on at all? I suspect it will have been a very long time.