Elvis Presley didn’t really invent rock n roll. That had been happening, as Fats Domino said, for decades in New Orleans.
Similarly, Bob Marley and the Wailers didn’t create reggae in Jamaica but they became its biggest stars.
Reggae became an international phenomenon and the political, anti-colonial aspects of reggae gave it enormous power. One Westerner reported hiking in remote Nepal and coming across a Buddhist temple somewhere. And on the wall: a Bob Marley poster.
They couldn’t have done as well as they did if they weren’t superb, brilliant musicians. And one of the underrated parts of the band were the backup vocals which are stunning.