My, my.... I find it mildly amusing that there is so much heartburn and angst about DMR!
First off, regarding the original question on this thread, any speculation about which (if any) of the "big three" will add DMR is just that, pure speculation. Companies do what they think is in their best interest to do. And the reasons are often not obvious to the casual observer.
Regarding DMR itself, I don't quite get why people have their undies in such a knot about it. Here locally in Alaska, it isn't yet widely used, but interest is growing. In some parts of the country it seems to be very popular, for example in Washington and Oregon (check out
Pacific Northwest DMR - Homepage). Most of my DMR experience has been while traveling in the PNW, and I've found it works quite well. I'm relatively new to amateur radio, yet I successfully built a code plug for my AT-868, all by myself. That code plug isn't as neat and pretty as it could be, and I'll no doubt do a cleaner one next time, but it wasn't nearly as tough to do as some people make it out to be.
Regarding ARES adding DMR, in addition to analog, what's the big deal about that? Yeah, if you want to do more than analog with ARES, then you'll need to buy a DMR radio. Just like if you want to do Winlink with ARES you will need to buy a computer and a TNC. In either case, you buy the gear to support the activities you want to participate in. And last time I checked, participating in ARES was totally voluntary. If you don't want to do ARES, don't join. You probably won't be missed.
Regarding radios, the "CCR" meme is getting a bit tiresome and out of date. Yes, there are some low quality Chinese radios on the market. There are also some quite good ones. I've had my Anytone AT-D868UV for over a year now, and it has proven to be a fine radio. Don't take my word for it, check out the review in the November 2018 QST magazine. And the latest QST has a review of the newer and updated AT-878UV. I also own a Kenwood TH-D74, and to me the Anytone feels more solidly built than the Kenwood. An additional bonus (for me) is that the Anytone is Part 90 certified. As a long time member of several volunteer SAR teams, I'm authorized to use several Part 90 frequencies on missions and training. While I normally use my issued Motorola HT on missions, it's nice to know that in a pinch I can also use my personal radio.
That's my two cents worth.