master has never been a slur, it was never meant to mean insult, it is an honorific title. A "glass masters of Murano" makes beautiful art with glass, because

master has never been a slur, it was never meant to mean insult, it is an honorific title. A "glass masters of Murano" makes beautiful art with glass, because he's a master in that craft. Doesn't matter if the word has been distorted to mean something bad for a brief period of human history. Slave is the offending word, not master. We should have master branch or master database, but secondary branch and secondary database, instead of "slave" ones.