NOT knowing when to fire someone, poor communication skills and expecting too much from staff all add up to make a bad business leader.
1. Expecting employees to be clones

Problems emerge when the boss places very high expectations on their staff to provide perfect service or put themselves on the line.
Leaders become disappointed when employees don’t […]

Groupthink is where individuals intentionally conform to what they think is the consensus of the group. It may cause the group to make bad or irrational decisions.
Symptoms include:

Illusion of invulnerability – members are over confident
Rationalization – problems and counterarguments are rationalised away
Illusion of morality – decisions made are perceived to be morally correct
Stereotypes of outsiders […]

Conflict can occur because of the following reasons:

Intergroup Bias – Being associated with a particular group i.e. nationality, eye colour, gender, job function, job level etc
Interdependence – individuals or subunits are mutually dependent on each other to accomplish their own goals

Necessitates interaction between parties so they can coordinate their interests
Interdependence implies that each party has […]

Strong cultures within an organisation do make companies more successful if they are aligned directly with the vision and goals of the organisation.
When aligned, an organisation will experience greater synergies that will bind an organisation together. Because culture is a collective belief that determines how people behave, a strong culture within an organisation lets employees […]

There are two kinds of safeguards that can be built into a project even before it gets underway.
Beware of Cheerleading Squads
Project teams are often self selected meaning that the people within the team are those with the initial enthusiasm for the project – they may have worked together on projects in the past.
Executives launching a […]

Bad projects are hard to kill due to a number of reasons.
Collective Belief

True believer of the leader
Desirable ultimate success

Persistence of Belief

Drowning out dissent
Setbacks drive people to hold closer

The Consequence of Belief

Problems will not be seen as a sign of failure
Undermines mandatory procedures and tests