More details?

this is possible but more global enterprise flows need to be redirected through the lightning network. These flows are completely dominated by money center banks and thier correspondent banking monopolies but cost savings might be there if you can create a solution that route around it completely or replaces some critical part of it such as the message passing systems like SWIFT

a start might be niche small business supplier finance type flows where supplier and buyer-producer can continuously update their side of the channel based on agreed terms. there's always this float stuck in the. existing banking rails

another area of large global capital flow is foreign direct investment

idle capital from side lined bitcoin just sitting around in cold storage could be could be utilized as a pose to bank lenders in the middle. requires a deep reimagining the current structure