Why are management by exception leaders considered ineffective?

A) They are not team oriented, participative, or humane.
B) They tend to be available only when there is a problem.
C) They describe their least preferred co-worker in favorable terms.
D) They provide considerable freedom to their employees.
E) They fail to build followers' self-esteem and confidence.

B
Explanation: B) Management by exception–active or passive–is slightly better than the laissez-faire leadership, but it is still considered ineffective. Management by exception leaders tend to be available only when there is a problem, which is often too late.