There's a whole lot of everything for sale...and not just trains. Lets just say there are 3000 O gauge engines made a year. In the last 30 years...thats just since 1990..we are talking 90,000 engines. Whats out there for sale is still a small number, comparatively. And very little in the O gauge market is destroyed. You may just be thinking of the pre-1983 era...when there was much less being made, and nothing of the quality of today. It was MPC making toys, and a few high end brass makers. And the aftermarket was Lionel postwar. and there was no internet or craigslist or anything. It was pretty much local train shows...and model train shops.
As for new ppl in the hobby..fear not. 50% of our business FIFTY PERCENT of our biz right now id from ppl whove never bought from us before, and a lot of ppl new to the hobby.
not many ppl under 30, as they dont have the money. In the 30-50 range..we have a few ppl who have high risk, high pay jobs. Like working on oil rigs. And over 50...we have quite a few ppl who are retiring, or at a point where they can cruise a little, and have the time and money. Its usually "ive always wanted to do this"
So after 30 years of hearing that its a dying hobby, its not dead. It wont be the craziness of the late 1990's again, but model trains arent dead. There's been consolidation in the industry, and appropriately so.
Meanwhile, trains in real life, are back in the big cities...the most since the 1950's. LA Union station, for example, had 8 departures a day in 1990, and the place was a morgue. Today its closer to 75 departures a day, and light rail and a subway and busses...and the place has been like Grand Central at rush hour. Theres New and expanded service (before the virus, anyway) in more cities than I can recall.
The point is.....more ppl are growing up with trains again....
Oops...gotta pack more trains and get them outta here. only 6 orders behind...yay! (it takes an average of an hour an order. If u think its just throw a train in a box, guess again)
beth