Well, perhaps the "sad" thing is more accurately that users (of laptops costing major $$) have to resort to public betas to attempt to address business-critical issues in currently-released operating systems. I have been around computers and software (as a developer) for over 35 years now, and certainly don't expect perfection (even in operating systems). But I do expect a company with Apple's reputation to address (in a timely fashion) a MAJOR issue with their operating system, once reported. And from what people have shared here, the response has pretty much been "crickets" (or some attempt at blaming defective hardware -- which obviously could be possible, but I don't think it is the root cause for the majority of us). So, Peter, while I understand what you are saying IN THEORY, the fact is that we have been driven to this point (of needing to discuss/share our "pet issue" as it relates to a public beta) by an unresponsive vendor. This is NOT a "nuisance" issue, but something that has greatly impacted my ability to be productive in my job/career.
My perspective is likely different from most people here in this forum. I have used only Windows and Linux computers since my computer "beginning" (unless you include my Commodore VIC-20 and Atari ST days), but was strongly encouraged in a recent job change (2 years ago) to move over to a Macbook Pro as my daily driver. Even though I knew it would be a huge adjustment for me (& my old habits) in many ways, I was still expecting a little taste of computer "utopia" (from what I had heard over the years). Sadly, it has been nothing short of a major disappointment, and I would actually WELCOME a good $500-$600 Windows 10 laptop (so how crazy is that?).