But you are absolutely correct, there is no reason to assume it won't happen.
Interestingly, the Engadget article mentions more than once they thought 10.7 would be the last 10 before the jump to 11.
"Right now, at least, the company's not ready to close the book on chapter X"
and
"This may not be the jump to OS 11 we were expecting after Lion"
But you are absolutely correct, there is no reason to assume it won't happen.
Interestingly, the Engadget article mentions more than once they thought 10.7 would be the last 10 before the jump to 11.