I understand your POV, and I thought very long and hard about this program because I knew some percentage would feel the same. From the feedback I've received, I think it's safe to say most people like the program, but of course not everyone will.
In the end, my goal is to make a great product, and I'm not going to sit on improvements that benefit everyone (or can benefit everyone at some point) to follow a path of least resistance where nobody gets the best we could make or I wait some arbitrary amount of time to roll them out (which benefits nobody and makes an even larger pool of people who ultimately need updates once they're available). From my POV, it'd be easier to sit back and do nothing, after all nobody gets upset when vendors do nothing to a product people like... But *I* would know, and not be happy if I'm not delivering my best (for better or worse).
I want these headphones to give lasting value and joy for years, and I'm dedicated to transparency and investment protection. It's a LOT more work for me, from both a logistics and a PR perspective, but I believe it is better for everyone long-term. Having an official program will give new and old customers confidence their product can be upgraded whenever it makes sense, and avoid short-term pressure to upgrade now or never, etc. If this doesn't work for you leave the phones alone. They were the best I could make when you bought them, and if you enjoyed them you should still enjoy them.
The updates are incremental and will neither change your life or brighten your teeth, and I am not going to over market them. But they are noticeable and good. Others will share their experiences and comment, I'm sure. If you are overseas, just wait until some domestic users have shared their experiences to weigh the cost and timing vs perceived improvements. In general I'd suggest overseas owners wait at least 6 months to update, just in case anything else comes out. There's no pressure or hurry to act, after all...
And as I have said, I am extremely happy with where we are, so I expect improvements to be less frequent and make more subtle differences (if we even make any more updates).