So, to summarize:
No shipping product except the LG 5k displays and Apple's charger can provide the needed 85W for the new 15" MBP over USB-C. The things that do passthrough from a charger are
all capped at 60W. (Some partial exceptions, like Dell's working with up to 130W but only with Dell hardware.)
There are concerns about compability between Thunderbolt3 hardware using a particular common TI chipset and the new MBPs; they appear to be specifically rejecting such devices. (See:
https://forums.macrumors.com/thread...-thunderbolt-3-devices.2012372/#post-23858218)
The only product even
announced that provides an 85W docking solution for the MBP 15" that isn't a monitor is Belkin's product. It's not shipping, but it's announced. But it's also Belkin, which some of us regard as a serious failure.
All the docking things that provide extra display support using DisplayLink chipsets are currently having serious difficulties with OS X 10.12, so they are in practice probably not viable options.
So, if you want to dock a 15" MBP, your most likely immediate-future option is to get one of the various docks which doesn't use the DisplayLink parts, and which can provide 60W, and just never run the machine at full load for very long. So far as we know, this is expected to be safe, and the laptop will drain battery when loaded and charge when less loaded.
OWC has announced a cool-looking dock that may well do the charging thing, but as of this writing their page doesn't say specifically how much power it can/will provide.
Other contenders are a Dell WD15 dock (some reports of video not working, so it might be using the DisplayLink stuff), an OWC dock (some reports of problems), a CalDigit dock (I haven't actually got confirmation either way on how it works, but it's apparently capped at 60W despite their page saying the power supply is 90W), or individual docking cables made by various vendors including Apple and Monoprice that provide things like "HDMI and one Type A USB port".
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Seems more like complaining about it raining in Seattle, or crowds in NYC. It might be a problem to you, but at this point it's not going to change and are well known things about those cities. Some people are fine with no CD drive, some people are fine with rain, very few people are ok with their house burglarized.
I think the key difference here is:
It is entirely within Apple's power to change things in response to complaints. They have, sometimes, in the past.
Seattle can't change its weather very practically, NYC can't really make crowds go away, but Apple absolutely
could make the high-end laptop many people have asked for. They may not, but you know what? They're a heck of a lot more likely to make it if people continue asking them to than if we all stop talking about what we want from computers.
Apple does have feedback forms, and does have people reading forums to keep an eye on consumer responses. They're not completely hostile to the existence of such feedback. It's just the people who are currently happy who are complaining about the feedback.
And some day, they'll take away a feature you wanted, and you'll mention that you liked that feature, and a bunch of people will jump on you for posting about it because why would you complain, clearly Apple knows what's best. And those of us for whom that first happened years ago will get our quota of schadenfreude.
