There is no “bizarre” Old Testament purity law moden men wouldn’t take seriously if “recent studies” showed it had health benefits. One easily imagines “cloth spun of two fibers” becoming unpopular after headlines reported human skin was healthier (“and 20% more luminous”) when regularly covered with single fiber cloth.
Neither would anyone who decided to switch to single fiber clothes read the studies (or even the short, easily digestible articles which summarized the studies), and yet they would pride themselves on being rational, logical, and scientific in their approach to life.
There are still faint glimmers of civilization left in this barbaric slaughterhouse that was once known as humanity. 