So now the analogy is to growth and dying off rather than selection, and the analog of the meme is the bacterial population, rather than a gene? Why are we try

So now the analogy is to growth and dying off rather than selection, and the analog of the meme is the bacterial population, rather than a gene? Why are we trying to make these ham-fisted analogies at all? Ideas do not behave anything like genes; they have almost no properties in common with genes.