Earlier quoted context omitted.
Maybe for servers. But it still has plenty of rough edges as a desktop OS. Mint is a much better choice (IMO) for the desktop, that still is somewhat within the Debian ecosystem.
What are your rough edges? I have found Debian Unstable with latest Gnome to be way more stable and productive than I expected.
It's also hard to download first time you want to install, coming from Ubuntu there is just one x64 .iso and one big "download" button that auto select the right file. In Debian i had to google which file to download from CDs and DVDs version just for x64.
And there is the install UI, it give you a 2006 vibe.
This small things are easy to fix but still there for some reason, probably because they focus on core and more important stuff, but this are great things to have for new users.