They're all terrified that if they do ask, they'll be declined, or held accountable for misuse, abuse, or leaks. It's much better to hide "telemetry" in the fog of tos or eula walls of text. Maintain your customer's blissful ignorance at all costs.

Privacy and liberty are inseparable at the highest levels of interacting with society. Compromising private personal information can only weaken individuals against abuse by society at large, whether by mega corporations, governments, Twitter hordes, or spam callers.

It's become overwhelmingly apparent that there's no benefit to the consumer by allowing telemetry in almost any form. The purported advantages are paltry straw men compared to the nightmare of identity and surveillance infrastructure.