I will explain how linearity at the master equation level severely limits what we can empirically know about collapse models. In a world in which collapse models are fundamental, and with parameters tuned such that random jumps of the wavefunctions make audible bangs, one still cannot distinguish between reasonable alternative continuous and even deterministic explanations. My objective will be to explain why that is the case and attempt to make clearer the separation between the ontological commitments and empirical predictions of collapse models. Based on arXiv:2007.15420

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