[judge2020]

That sounds correct, but even the savviest of users might not be aware they have malware installed when they decide to re-install windows. If cleaning malware requires pressing a button on the MOBO then I can imagine only a single-digit percentage of users will actually click it.

[Dylan16807]

If they're not worried about malware, and there is some, then they'd probably get reinfected by their data anyway.