Let's hope this discovery leads to good results. Not every genetic discovery always leads to something definitive
Well that's understating it. This kind of work linking genotype to phenotype is about as meaningful as connect-the-dots, in spite of all the hyper statements about it changing everything. But of course this is how modern society has always worked -- by continually announcing that the world has been remade by its leadership, and that progress is an inevitable blessing of theirs. A sane survey of the past two centuries would instead show as many failures and laughable claims.