If war is waged anywhere to achieve this goal, namely to free the occupied lands of the laws and the tyranny of disbelievers, it is undoubtedly a case of Jihad for the sake of Allah.
Some have mistakenly alleged that several well-known scholars have said that it is not disbelief in Allah (kufr) for someone to completely replace the Shari'a of Allah with another set of laws, unless they claim that these other laws are Allah's laws.