Here is an explanation for the eject to trash debate:
"The Macintosh, from the Mac 128k up until the Quadra 605, included floppy drives that featured auto-inject and auto-eject. Auto-inject sucks the disk out of your hand into the drive if you push the disk in most of the way. Auto-eject ejects the disk from the drive when the user drags the disk icon to the trash in the Finder. IBM PC-compatibles, in contrast, have never offered either of these features, forcing users to push the disks all the way into the drive and press a button on the drive to manually eject the disk.
The origin of auto-eject can be attributed to Steve Jobs conception of the Macintosh as a "crankless Volkswagen" that runs "a system which is generally intuitive to users." In the Finder of the Macintosh operating system, the icon of a floppy disk appears when a disk is inserted. When the user is finished working with the disk, she drags the floppy icon to the trash, and the disk is ejected. Auto-eject completes the metaphor of the desktop, providing the user with a consistent experience.
In DOS on PC-compatible systems, inserting a floppy disk results in no immediate visual feedback. (Even in Windows 9x/NT, the floppy drive icon remains visible whether or not a disk is inserted.) The user must type the highly intuitive "cd A:" in order to even access the contents of the floppy disk. PC users often argue that the manual eject offers them the freedom to remove their disk whenever they please; however, this freedom can be quite dangerous when new users try to eject a floppy while it is being written to or read from. Auto-eject, therefore, is not only a means of consistency, but also of preventing potentially catastrophic user error".
source:
http://home.socal.rr.com/fuweb/floppysite/eject.html