&gt; I don&#x27;t see why I would care that apps like Blender or Steam have a window frame that looks exactly like the window frames<p>Unless you use blender or steam, or evince (!) with anything other than gnome3 and default theme, that is, and unless any of the many reasons against CSDs resounds for you (as somebody below posted)<p><a href="http:&#x2F;&#x2F;blog.martin-graesslin.com&#x2F;blog&#x2F;2010&#x2F;05&#x2F;open-letter-the-issues-with-client-side-window-decorations&#x2F;" rel="nofollow">http:&#x2F;&#x2F;blog.martin-graesslin.com&#x2F;blog&#x2F;2010&#x2F;05&#x2F;open-letter-th...</a><p>Sounds very unrealistic, doesn&#x27;t it?