Earlier quoted context omitted.
Some companies like Activision clearly state in their terms that chargeback means you will be permanently banned, no exceptions. You'll lose your account and access to all digital "purchases" forever. They don't need to prove anything to stop doing business with you.
In the US. And that's only because when Activision makes a digital "sale" they have no legal obligation to follow through and give you what they promised.
This is why the seven seas are so important for preserving our purchases, companies be damned.