No, we have hit on a demand curve that maximises profits. McDonalds and similar fast food businesses shift a lot of units, so it probably makes good business s

No, we have hit on a demand curve that maximises profits. McDonalds and similar fast food businesses shift a lot of units, so it probably makes good business sense to keep doing that. Doesn't mean it's universally appealing. Of course diversity is by definition the opposite of mass market. I was saddened by the recent BlackBerry news too. There aren't many phones out there for those who find physical keyboards more accessible.