This image was created by /u/[email protected] for this comment here: https://discuss.tchncs.de/comment/21735989. I had encouraged them to post it somewhere, but as far as I can tell, they never did.
Panel 1: “Installing Windows 20 years ago” screenshot of install wizard with just a couple buttons
Panel 2: “Installing Linux 20 years ago” screenshot of a busy command line
Panel 3: “Installing Windows today” screenshot of a busy command line
Panel 4: “Installing Linux today” screenshot of install wizard with just a couple buttons
2005… could have had Sabayon Linux. Easy way to install gentoo with a gui installer. So even then. [Initial release 28 November 2005]. Maybe even other convenient gentoo respins before that.