Main reason it was removed was Corporate Security. SysAdmins don't want people to be able to store files on their PC's that they can't control in some form or another.
In general, desicision like this are rarely made for the Home PC user. The real money comes from corporations.
"i would never use a firewall, even without a router protecting me. Firewalls are just wastes of memory."
name omitted to protect the innocent
the cake is a lie