This is because he has turned ineffective and was not a team player. Thus the party's actions cannot be faulted, it said. It argued that under Malaysia's democratic system, ruling political parties had the full prerogative to replace the menteri besar of a state, as they were voted in to rule as a party.
This was different from United States presidential election system, for example, which is a contest to look for the best person to lead.
Read more here: http://www.malaysiakini.com/news/270274