I think @al2o3cr has given the likely correct answer. Liability avoidance. If they "shred immediately" (as in pick up, transport, shred) their liability expos

I think @al2o3cr has given the likely correct answer. Liability avoidance. If they "shred immediately" (as in pick up, transport, shred) their liability exposure is much less vs. offering a 'delayed shred' service.