Wasabi does not have any sort of unlimited bandwidth. In fact, they explicitly say that if your download exceeds 100TB/month your use case is not a good fit. https://wasabi.com/paygo-pricing-faq/#free-egress-policy
https://wasabi.com/paygo-pricing-faq/#minimum-storage-durati...
Wasabi isn't meant for scenarios where you're going to be transferring more than you're storing.
Which is basically a roundabout way of saying, they're offering storage for backups, not for content distribution.