I've seen a lot of people who quite dislike Manjaro, and I'm not really sure why. I'm myself am not a Manjaro user, but I did use it for quite a while and enjoyed my experienced, as it felt almost ready out of the box. I'm not here to judge, just wanted to hear the opinion of the community on the matter. Thanks!
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Linux is a family of open source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991 by Linus Torvalds. Linux is typically packaged in a Linux distribution (or distro for short).
Distributions include the Linux kernel and supporting system software and libraries, many of which are provided by the GNU Project. Many Linux distributions use the word "Linux" in their name, but the Free Software Foundation uses the name GNU/Linux to emphasize the importance of GNU software, causing some controversy.
Community icon by Alpár-Etele Méder, licensed under CC BY 3.0
I see some people say Manjaro has no place--to just use Arch or some other easier to use distro. IMO the more linux distros the better. I think many believe that more distros means its harder to get support, but using linux is also about being resourceful, and many things other distro communities have solved can be utilized in other distros.
Innovations that Manjaro makes can have an impact on their upstream, and the linux community as a whole. It fills a niche that might get someone to use linux that otherwise wouldn't. At the end of the day what helps out all of the linux community is the number of users.