I always had the impression the italian old-bike community was far smaller than that in central Europe, especially Germany and UK and was far more focussed on pre-WWII machines. Italians were usually hell-bent on owning the newest, hottest shit and 5-year-old bikes were quickly banned to the back of the shed, nobody wanted them. Many no doubt found their way to the junk/recycling facilities, maybe the beer can you're holding has a tiny bit of Laverda DNA in it!
The german scene at least was very different, at times it seemed anything over 20 years old was worth a fuckin' fortune... even if it was a tarted up POS that had been botched to within an inch of death. German restorers/flippers would scour european jumbles and flog off their junk at a premium here, they knew eager punters' pockets were big and well-filled! There were many foreign vendors with trailer-loads of assorted bikes in differing stages of patina at german jumbles as well. While EU new bike sales peaked in Germany, it was still pretty cool to be seen on a "classic", so there definitely still was a quite sizable market for the old stuff. Used-bike prices usually hit rock-bottom after 5-6 years but would then often steadily climb, depending on rarity/desirability/whatever. The classic scene peaked around 2015-20 but prices have plummeted since then. Probably has more to do with the general state of our world and the general prevailing uncertainty than no longer wanting to ride old bikes. Interest in old vehicles in general is waning a bit, but top-tier stuff is still fetching obscene prices. Reckon these are seen more as investments than anything else though. But, judging from the sunny Sunday afternoon traffic past my home, there are more classics of all types on the road than ever before! Perhaps it's more about using them than hoarding/restoring/tinkering/bragging these days.
The UK market seemed to me as far more realistic with owners hanging on to and riding their pride and joy for longer, therefore preserving them and providing the market with loads of working bikes. The UK classic market usually yielded far higher prices for what looked like mostly half-decent bikes, bet there were some real wonky bastards amoung those though!
The Dutch and Belgian markets offered quite cheap stuff for a while during the 1980's-90's, but bikes there were very often run into the ground. Spain was even worse... only ever saw total junk coming from there. Decades of industrial isolation through the Franco regime meant parts and know-how to keep older bikes running were scarce. Happily, things have changed for the better in sunny Espana, with strong Benelux classic communties evolving as well, not to forget France.
Things have definitely changed in Italy, classic italian bikes and spares have become rare and the Italians themselves are now far more aware of their once-great bike industry and heritage with prices rising accordingly. Rare to find a classic "barnfind" worthy of a restoration, more often it would be restored domestically and then thrown on the market. Old bikes seem to be thriving though, with professional and semi-professional restorers popping up and offering some true gems, as I experienced at the Imola jumble just a couple of years ago.
Overall, while not being totally dim, the future for our bikes isn't too bright... enjoy them as long as you possibly can.
piet