The very fact that these guys are seriously considering putting a startup incubator on a boat off-shore to side-step visa requirements tells you that there is something wrong with the immigration situation in the US. The UK recently introduced the Entrepreneurs Visa which, arguably, is beginning to work, but London is in a pretty unique situation since anybody who is a citizen of any state in the European Union is entitled to come and set up a new company – something that doesn’t really compare in the US.