The way I see it is as this >
If life has dealt you such a shit hand from birth, when you're a teenager (for me at least) and you hear the likes of Marley and Bunny writing these songs of social oppression and getting together collectively to rebel against the system that dealt you the shit hand, the whole thing does seem like a welcome momentum no matter your color.
And what could be better than to include biblical prophesies (that's drummed into you from an early age) to chant down the oppressor man?
Here's where IXPninja's 'color green theory' comes in. I estimate (from my longggg experience) only around 5-10 per cent of people who claim to be rastafari are 'color blind', for want of a better phrase.
The rest of them see EVERY white as the enemy. And those whites who are not, are > "hippys singing, 'kum bah yah' (words of Garveys Africa from here)
(EDIT: DO NOT MISQUOTE I OUT OF CONTEXT IN FUTURE - Garveys AFRICA)
This is not the case.
This mentality plays straight into 'Babylons' hands..and rides with their ideology of divide and conquer in any means possible.
Collectively, we can make a difference, devalue gold and diamonds by rejecting them instead for clean water which is abundant and free. Until then...