Most companies/consumers only need professionally printed stuff like that rarely though, and when they do they go to see a printing professional who will do the

Most companies/consumers only need professionally printed stuff like that rarely though, and when they do they go to see a printing professional who will do the necessary conversions for them. For web use, app use, or other display-based use, RGB (and related) is usually enough, and that’s what people have been using the GIMP for.