What makes Star Citizen unique is that it was crowd-funded—it started taking money before any features were available at all, and released to buyers (“backers”) in an unusually incomplete and buggy state. But all that revenue is turned around and plowed right back into development. (Their finances are publicly available.)
The game remains incomplete and buggy to this day, but with lots of stuff to do and clear forward progress, and, from what I hear, it offers a uniquely immersive experience. People like it enough that revenue keeps increasing, with nearly every year setting new records.
So that’s all this is: a moderately successful company with big ambitions, a lot of bugs, and a passionate fan base. Its annual revenue is nothing special. Don’t fall the sensationalism of the way its modest lifetime revenue numbers are shared.
(Just an interested observer with no horse in this race. I’ve never played the game or spent any money on it.)