That's what I thought at first and then thought 'I bet that feels like typing on a microfiber cloth, and the keys can't have much travel, if any at all.
Can't imagine it being worse than typing on a glass plate where the virtual keyboard takes up screen real estate. However the real question is how well using the touchscreen works while in upright mode, perhaps it's not that stable and touching it will wobble/move it.
They've announced two covers, one of which has a tactile keyboard.