Most users don't know what io_uring is, nor would they have read any of thosee articles. They are not HN readers with low-level understanding of operating systems workingm and don't even remotely have the knowledge of how any of these technologies work, nor do they have the time to get it. With a very few exceptions, users have to rely entirely on software vendors and service providers to do this for them, and trust they know what they're doing.