Interesting article, but I think the "information" metaphor sort of misses the point. DNA is not a store of information but rather the result of computation to solve a hard problem (survival/reproduction in a given environment). Think about it this way: it is really hard to crack a SHA256 hash -- but the information contained in the solution is very small. DNA is the same thing. Using information is not really the appropriate metaphor to describe DNA.
Geneticists and biologists have a concept called conservation [1] that sort of gets at this point. If we think of an environment as an encryption algorithm, then certain bits in the hashes ("genomes") that provide suitable solutions tend to be stable over time.