Equally absurd is the venn diagram overlap for disposable income for a headset and pirates games is likely infinitesimally small.
It's stupid, yeah. Point is, it isn't checking if you pirated the game or not, so this being about piracy is null.
I would understand if this only applied to Lucky's Tale, since right now the only way to acquire it should be through buying a Rift. Still, it seems like a convenient excuse when the action taken is not specific to that software.