Critics have also argued that the theory focuses too much on a "domestic German agenda," or is "too specifically German." Essentially, its principles are only applicable in its original context: post-war West Germany. Especially when talking about Habermas' original theory, too much is attributed to a domestic German agenda and Habermas' concept of the public sphere to be applied in other, nonspecific situations. However, while it is argued that constitutional patriotism is too German, it is also criticized from the another, almost opposite direction. Political theorists have called the constitutional patriotism too abstract. It is argued that the concept lacks specificity on a global scale, and has not been thought out enough to be applied to actual cases. This parallels Müller's acknowledgements that "there have been relatively few attempts to define the concept clearly," and "there has been significant disagreement as to whether is a political value in itself or a means to ensure other values".