nanci,
most people who type G-d or G*d are not doing it so as not to offend others. Many Jews do not type or write the name of God because there is an rule in the old testament that the name of God should never be erased or desecrated. So if they type G-d and then the post gets deleted they are not in violation. From a Jewish faq that says it better than I can:
Judaism does not prohibit writing the Name of God per se; it prohibits only erasing or defacing a Name of God. However, observant Jews avoid writing any Name of God casually because of the risk that the written Name might later be defaced, obliterated or destroyed accidentally or by one who does not know better.
Brina
"Truth goes through three stages: first it is ridiculed; then violently opposed; finally, it’s accepted as being self-evident." Schopenhauer