If you work for a boss and your work is substandard, meaning you do not perform according to the standards expected of you, you get fired.
A government is a de facto corporation technically owned by the people of a country and all of us should have the right to hold government representatives accountable.
Why shouldn’t we as voters have the same right to fire our politicians when they fail to perform? Or when they fail to deliver on election promises? Or when they act against the best interests of their communities? (like in the case of the oil and gas exploration matter in the Algarve?)