The fact that CD sales are behind vinyl is a sign that the world has gone mad.
Not really. It's a sign that Vinyl has turned into a symbol of support for the creative ideals of musicians and romance for a bygone era, while CDs, superior as they are (except in the case of records in good repair being played on high quality turntables), are "just" things that hold digital music. They sold in insane numbers because they were the standard format until streaming truly took over. Sure, Vinyl sales are up to 40 million or so in the US, but the bigger thing is that the 37 million CD sales are down from almost a billion in each of 1999 and 2000.