You're totally right. Just watch the video, I can't compete with Rick Hickey. I just rewatched it and would probably modify what I wrote, but the main point is: it's better to not write a summarizing article or comment when that video is so great, so I won't try to write something smarter (rather try to apply the things he said in the video).
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You can have very large number of layers, and to understand inner goings and interconnetions of all becomes very hard.
I highly doubt you can equalize "set of superb interfaces" with simplicity.
You're totally right. Just watch the video, I can't compete with Rick Hickey. I just rewatched it and would probably modify what I wrote, but the main point is: it's better to not write a summarizing article or comment when that video is so great, so I won't try to write something smarter (rather try to apply the things he said in the video).