Hah, it would be great to set the pi back a bit and cut the top off an old floppy disk to turn it into a caddy that seats with the card and pushes it back into the pi. When in use it would look like a disk is loaded. Perhaps you could even salvage enough of the disk and ejection mechanism to make it pop out with a button press too.

Or bought a USB driven floppy disk drive and fitted that instead. They are cheap - I bought one the other day to recover some data (although I haven’t tried it yet).