At this point I am pretty sure there will be an update, but I am unsure what will be included with it. I find it hard to believe that it will be a huge update with something like flash since MacWorld was not too long ago and even an unready flash player could have been announced there.
They did do something for us - they brought us the iPhone. Running a business doesn't come cheap. They didn't build up a $16 Billion war chest giving away freebies.
For some of us, wi-fi IS accessible. Every home I visit has accessible wifi. The mall has wifi. The hospital has wifi. You can't expect them to sell a handset and not allow the carrier to make any money off it.