You don't want a matte screen, you want to get rid of reflections. A 67% brighter screen and anti-reflective coating are better solutions to the same problem, because they don't destroy the brilliance of colors as matte screens do.
But they don't get rid of reflections. They reduce them, but they don't remove them. And it turns out that what makes reflections bad isn't "total number of photons hitting my eyes that were reflected at some point", but the
clarity of the reflections.
With a matte anti-glare screen, I get
no clearly-visible reflections distracting me from the image being presented. With the rMBP screen, I get clearly-visible reflections of me, or anything behind me, or whatever else. So even if the total luminance hitting me is in principle lower, it's more distracting.
Right now, the monitor next to my primary display happens to have a glossy bezel. Just the bezel. Every time my head shifts even a tiny bit, the reflections of objects behind me in the bezel move, which I find distracting and unpleasant. My primary monitor's bezel is matte-finish, and it's actually reflecting more light overall, but the light doesn't
move, so it doesn't bug me. It's just a static thing.
I suspect you are also conflating two different changes. The Retina displays have mostly been much higher-quality color displays than Apple's previous non-Retina displays, so the colors look much more vibrant. But that's not because they're glossy; if you had one of the old displays with a glossy surface, it didn't look nearly as "brilliant" as the newer ones do.
When I upgraded my non-mac laptop recently, I went from a display which was either 1st-gen IPS or non-IPS to a really nice modern IPS display. They're both anti-glare/matte, not glossy, but the new one looks
massively superior. Even though neither is glossy.
For some people, the glossy screens work okay. They certainly do look really good in the store, and they have that initial "wow" factor... But if I'm doing long-term work, I absolutely do not want a glossy screen. I'll get headaches and eyestrain and usually a bit of a sore neck from trying to adjust my head to get the glare to go away.
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But all those people saying that it's not pro, their needs equal all?
No.
No one's saying Apple should
only make a heavy-duty machine that has a few more ports and a matte screen, even if it weighs a bit more and doesn't look as Incredibly Shiny in stores.
But it'd be really cool if they
also made that machine.