Even if everyone had channels with the same, single central node it would have more guarantees than Visa does. The single central node could not just decide to keep everyone's money, as participants have the option to create an L1 transaction to withdraw funds if node they have a channel with misbehaves.
Even if everyone had channels with the same, single central node it would have more guarantees than Visa does. The single central node could not just decide to keep everyone's money, as participants have the option to create an L1 transaction to withdraw funds if node they have a channel with misbehaves.