They should see what the mechanics of the discrimination are. They're within the hegemonic discourse wanting a piece of the pie and not being allowed, so let them speak, use the hegemonic discourse. They should not call themselves subaltern. In the Boundary interview, Spivak wistfully pronounces that, of the two things she is best known for, both are often misunderstood. The goal of essentialist critique is not the exposure of error, but the interrogation of the essentialist terms.
Uncritical deployment is dangerous.
Critique is simply reading the instructions for use. Spivak's strategy is deconstructivist. This is also the way Spivak uses deconstruction, for example, without fully subscribing to it as a viable philosophic system or practice, much less a political program. It is constantly and persistently looking into how truths are produced. As to what is meant by strategy , no-one wondered about that.