I'd like to disagree even with the claim that no one wants it for audio as it's essential for example for modeling old synthesizers, e.g. the JP-8000 and its legendary "supersaw" waveform. Aliased oscillators also yield in a way more interesting sounds when combined with low-pass filters than anti-aliased oscillators would, especially for high-Q synth sounds, as the high frequency partials will excite the filter.
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