Their lives are ordered, predictable, comfortable. They do not want change. Change upsets the routine. If God's call means change, they would just as soon God call next door. That is what God does.
Some people hear the promise, believe and embrace it.
Others hear the promise, laugh and reject it. Why not live as if each day might bring to the door, not a delivery by United Parcel or FedEx of yet another useless possession, but a messenger promising our heart's desire.