You DO realize, of course, that DDR4 memory is actually SLOWER than DDR3, right?
How dare you bring facts to a MR thread! Don't you know these people don't deal in "facts"; they come to complain and stoke the flames. I swear if I read one more comment "It doesn't even come with a USB port" my head is going to explode (it comes with 4, BTW). There is so much BS about RAM in this thread I have to wonder if no one here even has access to the internet for fact checking.
I, too, wish it had a BTO option of 32GB RAM because I tend to keep my Macs a long time (writing this on my early 2011 MBP, bought it for the Thunderbolt which I had been waiting on at that time). I have a work mate who does DIT work On-Set who is really disappointed because he has hit the wall in Resolve with 16GB and has a legit concern. I hesitated ordering because of the RAM issue knowing Apple would likely introduce a new version in 6-8 months with Kaby Lake and 32GB. Then I thought "you know, you could just sell the late 2016 in a year or two, get a good price, and get the newer version then since not everyone needs 32GB." And my 2011 MBP is really feeling long in the tooth now.
That hesitation cost me on delivery but I am satisfied with my decision to buy now. BTW, few if any posters actually seem to be aware of the specs on this new MBP other than what they read on MR, and most of that is BS anyhow.
People, don't come to MR for facts, just enjoy the show. I suspect, however, you know this and were just as frustrated as I am and felt the need to try. Good effort, I applaud the brief dose of reality.
For what it's worth, I edit and assistant edit video for television, currently working on a TV drama in its 10th season. Most of the work I do is Offline ("dammit Jim, I'm a picture editor, not a VFX guru") so 16GB will do for now but it would have been nice...