West Indies is not even a country. It includes several small Islands. So there will be less team spirit comparing to other teams.
West Indies Cricket board has some financial issues. There is a lot of fights between board and players on behalf of their wages.
More West Indian sportsman are concentrating on athletics. Usain Bolt the World fastest man is also a Cricketer. But he is more known for Athletics. Yohan Blake is also an Cricketer who is greatest rival for Bolt.