We need cupholders!
Oh yeh, I'll buy the first bike that comes with the useful things that car makers have embraced like cupholders, sunglass holders, outside air thermometers, electric seats, intermittant windscreen wipers, demisters, self dimming electric mirrors, key-in-ignition chimes, etc, etc.
Get real guys, what do you seriously want that you can't already get on a motorcycle. runner00 mentioned cruise control (which is available on tourers) but I'm sure for most riders it would be an expensive, rarely used gimmick. You (runner00) said you could go on and on. Please do...what else can we possibly be missing out on?
Personally I'd like my car maker to spend money to make it perform better and consume less gas than have a silly wing mirror that automatically dips when I put the gearbox in reverse. This is even more relevant for a bike.
There is some truth in your point about the extreme focus of sportbikes, but please let's not have the bike makers concentrating on gimmicky crap we don't need as the car makers love to do. Personally bikes such as the BMW, Ducati and Yamaha FJR1300 sport-tourers have all the creature comforts I'd ever want. The Goldwing-ish tourers are already far beyond sensible luxury IMO but I guess for some, luxury is of primary importance over function.