Max Beerbohm is chiding us from the grave.

From Zuleika Dobson, published in 1911:

You cannot make a man by standing a sheep on its hindlegs. But by standing a flock of sheep in that position you can make a crowd of men. If man were not a gregarious animal, the world might have achieved, by this time, some real progress towards civilization. Segregate him, and he is no fool. But let him loose among his fellows, and he is lost - he becomes just a unit in unreason.