No country in the world is free from political conflict and disputes. In this context, what separates the less progressive nations from the more progressive ones is the ability and capacity to resolve these conflicts within the parameters of the rule of law and, in our setting, the Constitution. The impeachment process is one such conflict-resolution mechanism enshrined in the Constitution.
To reiterate an earlier statement that I posted here, in response to question posed on Twitter: Impeachment is a constitutional mechanism enshrined in our fundamental law to exact public accountability from our high-ranking officials who have been accused of wrongdoing. Exacting public accountability is necessary if our society is to have a healthy respect for the rule of law. Otherwise lawlessness, abuses and disregard for the law will be the rule rather than the exception.