As an example of how strict immigration policy is, the crew were made to stay on the boat throughout, including while parts of the bridge were blown up.
pfft people who want to find a way around what anyone "allows" will do so. To desperate people rules dont matter.
There are more than 50 countries right now standing with begging bowls outside the IMF cause their economies have no hope of growing without help. As long as that list has no hope of shrinking, people who live there and recognize that reality, are going to find ways to get out by hook or crook.
Immigration is a symptom of growing global inequality. Without inequality reducing no rules or walls are going to stop the incoming waves.
As an example of how strict immigration policy is, the crew were made to stay on the boat throughout, including while parts of the bridge were blown up.