They eventually sold
Their life and times, deadly like the virus design
But too, minute to dilute, the scientist mind

from Wu-Tang Clan – A Better Tomorrow Lyrics on Rap Genius

Meaning

other people also attempt to make it big by rapping so they sell their life stories which are unfortunately, while entertaining and horrifying, not much when compared to the gospel layed down by deck.

Second line -
A metaphor, saying that despite the deadly reality of what he’s just described (virus), that the outside world (the scientist) still won’t bother to notice.

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