No. I thought about that, but decided it would be too much of a hassle to maintain, plus it becomes legally problematic with non-FOSS, non-abandonware profiles

No. I thought about that, but decided it would be too much of a hassle to maintain, plus it becomes legally problematic with non-FOSS, non-abandonware profiles (i.e. modern Windows and MacOS.) Instead, for many profiles, it provides a link to the OS’s website (or archive.org) where you can download the installation media.