Although it is perfectly possible to fly an aircraft with the loss of certain instruments. And even if the plane is in a stall, there are established procedure

Although it is perfectly possible to fly an aircraft with the loss of certain instruments. And even if the plane is in a stall, there are established procedures for getting out of it that don't involve flying the plane into the ground. But the computer would need to be prepared to disregard some data in favour of other data.