Why arent they transiting to a Commonwealth country- like Canada?
Bahamas is not considered a poverty hole.
The Bahamas became an independent Commonwealth realm in 1973 with Elizabeth II as its queen. In terms of gross domestic product per capita, the Bahamas is one of the richest countries in the Americas (following the United States and Canada), with an economy based on tourism and finance.
They are already there - have been since 1973.
chief of state: Queen ELIZABETH II (since 6 February 1952); represented by Governor General Cornelius A. SMITH (since 28 June 2019)
head of government: Prime Minister Hubert MINNIS (since 11 May 2017)
— CIA World Factbook