There's a history and strategy behind many jokes and many words, a latent intent, a depth-charge of meaning that often goes off in the subconscious. Look at Olde English. Look at your language one hundred years ago. It's not simply the new inventions that have entered the vocabulary. Changes in language reflect changes in attitudes.
Words come and words go and words adapt.
In fact, for many, many years, women were essentially written out of the language of power for the simple and obvious reason that they had little or no power. The point was made that once a greeting is given with goodwill, the vast majority of people will take it that way. Back to more concrete issues such as marketing your product or service on the internet. Let's say that among my customer base I have 10 Chinese clients. It's New Year, and I want to send personal e-mails to all my customers.