It doesn't confirm QM, but it does claim that no theory with Local Hidden Variables can match the predictions of Quantum Mechanics. The only theory to survive the move from locality to Non-Locality with their Hidden Variable(s) intact is the de Broglie-Bohm Interpretation, which is empirically on the same footing as QM for now.Does the Bell inequality confirms the quantum mechanics? If answer is yes, why the violation of Bell inequality is more famous?