I consider myself pretty interested in the financial aspects of hobbying. I spent over 10 years following comic collector forums. There is an existential thread every few weeks on those such forums. Sure, high end stuff is priced at all-time highs, but kids aren't buying comics any more. Go to a comic store - everyone in the store is middle-aged men. We don't see it here, but there are many collectible communities that know they are going obsolete.

Read this Wall Street Journal article if you're interested about the demographic effect on the economic aspects of collecting.
Who's Going to Want Grandma's Hoard Of Antique Gnomes? - WSJ

It was posted to the comic forums back in 2006. The concerns in the article seemed too relevant to that hobby. The concern simply doesn't exist with C&V bikes. People in their 40s are trying to get a 1988 celeste Bianchi Superleggera. And so is that 22 year old college kid, who "only" rides a Japanese hi-ten frame. The largest volume collector in Toronto is probably not even 30 yet. So it's so weird. We have 2 generations (the current, and the future) of folks interested in the same 1980s bikes. ---> Prices will go up.