Because "well maintained distro" won't fix issues as soon as possible and won't make necessary changes. For example, Linux is not friendly to proprietary third-

Because "well maintained distro" won't fix issues as soon as possible and won't make necessary changes. For example, Linux is not friendly to proprietary third-patry software, but the government might need it. Or there could be bugs.Or they might need to support local encryption standards in browsers and document editors. Or support a specific hardware device. So the working scenario is that a Korean company creates its own distribution, adapts it to the needs of government, sells it and then maintains it for the fee. This could also have a benefit of supporting a local vendor instead of sending public funds to US.