How many websites really rely on java? Isn't flash on the way out as well, especially with the new html5 specification?
I ran for a while without java and flash... Had problems with Youtube, especially vids stalling when expanded to fullscreen... So I put flash in and while the problem persists, it is way better with flash installed. So Flash, even yet.
And as for java, since FF blocked it, I have three times had to go to Edge to view retail sites.
So I will disagree... both are on their way out (huzzah), but not yet.