If hardforks would become kind of daily happening, dying hardfork currencies would be the equivalent to an ending species evolution strain. Hard forks would be a kind of trial and error branch selection of the algorithm of evolution. This would give the continuing surviving branch a kind of passive feedback to be the most optimal solution. ..there would be no active feedback, needed to integrate in one main blockchain. Simply by an uncountable number of hard forks, so over trial and error, one blockchain brachn would turn out as the strongest..
RE: Similarities between Blockchain and DNA.