It's sad that it took legislation to make this happen, but I can see why. I worked in a pseudo-Apple-store during the height of the 30-pin dock connector and I sold so many cases, speaker docks, charging cables, and all sorts of weird accessories that were built for the 30-pin connector. Then Apple switched to Lightning. It was better in every. single. way. And yet people got burnt. There was so much hardware that wa…
Two key differences vs last time: 1. As you mentioned, most accessories have moved to wireless. I still (usually) use a physical cable for charging, and I guess I have a 3.5mm dongle, but I think those are the only two things I've plugged into my iPhone in years. Docks with a physical port, in particular, were super popular 10+ years ago and don't really exist anymore. People won't be throwing away speakers. 2. They…
They've switched every other non-iPhone device to USB-C. The more plausible interpretation would be that they don't want to piss off a core constituency of customers who've built up 10 years of Lightning cables. The number of people who care about standardizing on USB-C are definitely less than the vocal folks who will now complain loudly that Apple just forced them to buy a whole bunch of expensive new cables.
At least USB-C is more durable by far than Micro USB was, even if it's not as durable as Lightning. Nothing can fix the stupidity of USB-C cables, though. What a mess.