Only Caleb and Joshua gave an evaluation prompted by faith in the Almighty. Caleb never doubted the verity of the promises of Yahweh. He believed with all his heart and soul that Israel would inherit the land which God had promised them. An optimist sees an opportunity in every calamity. A pessimist finds a calamity in every opportunity.
Caution is prudent if followed by action.
Israel had heard much about the land of milk and honey. They were now at the borders of this Promised Land. Their yearning for Egypt was past. All that remained was the conquest. The spies gazed upon the vineyards and olives groves.