[blasdel]

The classic is people fretting over master/slave nomenclature on hardware: http://www.snopes.com/inboxer/outrage/master.asp

[cmelbye]

Also "daemon." I can't remember which, but one of the "Linux distros for Christians" tried to remove references to daemons in the user interface and documentation.

[seiji]

I've had people complain about whitelist/blacklist too.