To this day, lots of cheap and universal accessories - mice, keyboards, optical drives, what have you - come with silly little "compatible with Windows!" sticke

To this day, lots of cheap and universal accessories - mice, keyboards, optical drives, what have you - come with silly little "compatible with Windows!" stickers. It's sort of a user-facing cargo cult for computing; we have supplied the compatibility incantations, therefore, we shall support your compatible system! If you use a non-compatible system, we shall not help you: this is an offense to the gods.