SEND THIS TO LOUIS ROSSMANN. He absolutely will rake them a new one and companies tend to magically “fix” errors in their favor when people make a huge PR stink about it.
It will help bring Adobe down faster too, because unilaterally revoking previously purchased licenses no matter how old is a great way to lose all trust from your corporate customers.
Edit: also cs5 is universally pirated, this is now your legal perogative to pirate it to retain access to the copy you PAID FOR.