The end of BlackBerry
If you develop websites, you can’t count on any consistency from one BlackBerry model in terms of HTML and JavaScript functions, so you likely don’t even try.
via macworld.com
We do try and phones like these will just get what they support as far as Web Standards go. Their users probably will get tired of the 'lesser browsing experience' and move on to something better next time their contract is up for renewal.
Or not.