For the record this is not a .mobi bashing thread.
I say let the numbers do the talking.
Just like the .tv extension; some terms fit and some terms don't.
Cheesegrater.tv "doesn't fit"
I recall at the time Rick bought flowers.mobi, he said that there are only a few terms that naturally work with the extension - I agree wholeheartedly with this, just like the .tv example I gave.
Pizza.mobi closed unsold at $6,800 today. Link
Sign of the [economic] times; or has the wheels come off .mobi?