Funnily enough, Microsoft actually planned to add floppy drive auto-mount on Windows 95. But half the drives implemented the signal for "media present" backward

Funnily enough, Microsoft actually planned to add floppy drive auto-mount on Windows 95. But half the drives implemented the signal for "media present" backwards from the other half, and Microsoft couldn't figure out a user-friendly way to make it auto-detect, so they canned it