Look at it this way. You have a product discontinued for many years and now, you can't buy a fitted accessory for it. In that regard, it's like tens, maybe hundreds of millions of other products for which one cannot buy accessories from the maker.

But there are the usual other paths, for the persistent. It's not like you can't talk somebody with an unused one into selling it.

Hard to buy the argument Golite has acted in bad faith, more like you made a bad assumption. You got out pretty cheaply, I own several cameras and one car built by companies that are now defunct. Now that's abandonment.

Cheers,