Its 100PB free for 1 month, if you commit to transfer in at least 1PB in the first three months, and commit to keep at least 1PB for 12 months (Its "up to 6 months" free of 100PB, but more than 1 month free requires greater than 1PB commitment.) At $0.01/GB/mo, 1PB of data for 11 months (12 months minus 1 month free) is a $110k commitment.
Its not "100PB for every customer", at least not free, its a variable size discount that covers up to 100PB for 1-6 months of a 12 month commitment period for customers able to make up-front commitments of $110k or more.
2. It's only if you upload at least 1 PB of data in the first three month, which removes a lot of companies and only leaves the serious heavy data potential customers