The critical attitude
Strikes many people as unfruitful
That is because they find the state
Impervious to their criticism
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The 'critical attitude' can be seen as unfruitful when it is destructive rather than constructive.One has to have something positive to put in place of what is torn down; e.g. freedom instead of the Berlin wall. Criticism needs arms, that is, ways of implementation of the kind that Brecht details in his second stanza.
The 'critical attitude' can be seen as unfruitful when it is destructive rather than constructive.One has to be prepared to build anew as well as to tear down. Criticism needs arms, that is, ways of implementation of the kind that Brecht details in his second stanza.
Brecht seems to be favoring the culture of criticism specifically. Criticism in his view loses its power when it is not tied to human psychology and the capacity for pleasure.