> what danger he poses to society that warrants a 15 month prison sentence

We're seeing the reason for the U.S.'s >1% of adult population incarceration rate. The solution isn't occasional pardons but massive reform of the 51 criminal judicial systems in the U.S.

Pardons?

Psh! No US President cares for an e-recycler doing good for the world. They care for investment bankers who line their pockets (see: Marc Rich).

The law is rarely used to protect society. The law is being abused to punish an individual for messing with a corporate agenda.