I think it is up to us to be stewards for promoting the simplicity of CV bikes. As I have given away all of those student bikes, a lot of them vintage steel, I try to talk about how they are workable and durable pieces of history. some listen.
As far as the market, I think three factors work against CV
1. Aging CV market
2. Post CoVID bike dumping creating a huge supply increase (if they got the bug with the decent economy after COVId they may have gone modern)
3. Bike shops now have supply. And it dampened prices for new bikes.
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1987 Crest C'dale, 1987 Basso Gap, 1992 Rossin EL, 1990 Van Tuyl, 1985 Trek 670, 2003 Pinarello Surprise, 1990ish MBK Atlantique, 1987 Peugeot Isoard, 1987 Nishiki Tri-A, 1981 Faggin, 1996 C'dale M500, 1984 Mercian Pro, 1982 AD SuperLeicht, 1985 Massi ?, 1988 Daccordi Griffe , 1989 Fauxsin MTB, 1981 Ciocc Mockba, 1992 Bianchi Giro, 1977 Colnago Super, 1971 Raleigh Internat'l, 1998 Corratec U+D, 1991 Peugeot Slimestone, 1987 Bianchi Volpe, 1995 Trek 750