I get where you're coming from with this line of thinking, but I would still take the position that no actual "promise" was made as far as I ever saw on DSS's website or in Tobin's SB posts, and anyone who purchases something from a small company based on a belief that the company will be around forever--indeed, who doesn't recognize the small but real possibility the company may not be there tomorrow--is living in a fantasy world. My dad had a small, niche-product manufacturing company, and I'm sure when he suddenly went bankrupt (we nearly lost our house) and his machines needed service there were some annoyed customers. I too have bought Halcyon gear from EE, and I did so based mostly on my perception of the quality of the gear but admittedly also on a belief that their service is great and the likelihood of Halcyon and/or EE disappearing in the next few years is very low. I have visited Halcyon's facility, and I saw what's going on on their manufacturing floor. It looked like a tiny manufacturing operation to me, but my overall impression was they were doing well. When I bought my DSS gear a few years ago I knew it was a small company but that's about it--for all I knew it was a one-man operation. What if instead of DSS moving to Nevada, the event we were discussing here were Tobin simply retiring, or having to suddenly and unexpectedly cease work due to his health? Those are always real possibilities when you buy from a small business that is reliant on one key person. I made a calculated decision they weren't going out of business very soon, and in my case, my DSS gear is still holding up after several years. I do feel sorry for those whose timing was less fortunate, but if they are complaining here about broken "promises" then I believe their expectations were unreasonable.
It's true that the DSS wings are not designed to be "user serviceable," but I'll go back to my smartphone and other non-user-serviceable consumer products analogy. These are things that are not designed to be opened up by the user and cost on the order of hundreds of dollars--we're not talking about cars--and when they break, unless you are able to do the research and have the time and tools to do it yourself, your only choice is to spend a hundred or more dollars to have someone else repair it. I suppose a clever person could find a way to repair their own DSS wing, even if that takes tracking down an industrial sewing machine. To me, opening up a wing and doing surgery on it would be just as daunting as opening up my smartphone and mucking about on a tiny circuit board. I am guessing others might consider it feasible. Whatever the product, if there's enough demand, someone will offer service for it. But as we all know, wings are a niche gear item in a niche sport. Some of the manufacturers are likely small businesses. Any reasonable person would recognize there is some risk buying these kinds of products.