Dedoimedo published a takes a look if CentOS 7 is still a viable choice for desktop use.
CentOS 7 - Ah ah ah stayin' alive (in 2021)
Review of CentOS 7 running in an eight-boot setup, with focus on relevance and usability in 2021, covering full software update, third-party repos and extra applications, new kernel, heavily customized desktop experience, stability, performance, nostalgia effect, and more