I have studiously avoided this debate. I like movement decorations, and respect different opinions, but some opinions, frankly, are formed on erroneous beliefs. Stripes, perlage, and all that are relatively easy to produce and do not make a fine movement. Many of the world's finest movement are well -finished but without decoration.
Here's an image of Patek Philippe Chrono movement, calibre 13-130, used in their current reference 3670A. Please note that it has little decoration: no swirls, no Geneva stripes, but only anglage (finished edges):

I would love to own one.
And for someone to say "the idea of glass back for mechanical watches was first introduced by Swatch in the late 80ies", that's just plain wrong. There have been display backs throughout history, including this IWC Jones from the early 1870s:

...and, yes, it's original.