It’s more likely all the traffic from the island is routed out to many multi end nodes across the globe, the FBI would be very keen to monitor traffic coming out of the island now, so they would need to have a network of global VPNs splitting the traffic that is highly encrypted so it’s difficult to monitor the actual traffic coming out of the island once it is mixed with the heavy amount of other public traffic coming out of big datacenters in countries that aren’t directly controlled by the Five Eyes