I disagree. I don't like my port-laden HP "business" notebook and would prefer one of their thinner designs with an adapter. Apple has long been one to push the latest new standards (e.g. USB-A back in 1998) and I'm not surprised they dropped legacy ports. They are clearly trying to push the industry and are uniquely positioned to do so.
Okay, so you prefer a thin laptop. I prefer the thicker one. HP, Dell, Lenovo, etc all provide both types of laptop, whether your company decides to buy one of the thin ones is not the issue, they do exist. Apple however, aren't pushing the industry, they are removing choices. Adding Thunderbolt 3 to a laptop that already had plenty of ports would be pushing the industry, as was their introduction of retina screens with hi-dpi scaling - Windows still hasn't caught up with this. Removing useful stuff on all models just because they want their products to look coo, yet you need a bunch of dongles to do what the previous laptop did, isn't pushing the industry, it's inconvenient. Apple need to start producing more choice in their hardware lineup. Yes you can still have your thin one, but many others would prefer the thicker one. Choices. Apple just don't provide any.
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Just how many 2016/2017 business laptop come with an Ethernet port (that have a similar size with the current MacBook Pros)?
Loads - pretty much every laptop from Dell, HP, Lenovo, etc. They all have a similar foot print and weight, they are just slightly thicker, and this is the point. Apple only make thin laptops. they need to make products that are slightly thicker too so they can have all the ports internal. I get that YOU won't this product, you want the thin one. The competition make both thin laptops and thicker ones to cater for different needs. Apple don't do this. It's this lack of choice that is frustrating. For Apple's designers to assume everyone wants a thin laptop rather than a functional one is very naïve - they could ask their own developers what hardware they would like and come up with a better laptop than the current rMBP.
I get that Apple like to innovate with new products and I appreciate that - they have brought out some cool stuff. But I also have a need to get a job done and when the equipment gets in the way of that then you have to question it. It's like comparing Redhat Enterprise Linux with Fedora. Fedora has all the new stuff, but I wouldn't want it running on my servers, I'd rather see technologies filter down gradually like they do from Fedora to Redhat, and some technologies just aren't suitable to a business environment - glossy screens in a room with overhead florescent lighting anyone, or would you prefer a nice matte screen. Or how about that keyboard on the new rMBP with virtually no key travel compared to the keyboard on a ThinkPad? I'll take the ThinkPad keyboard any day.