Why would you ghost them? You should politely let people know that it was not a match at this time and hopefully in the future you will get back to them. There

Why would you ghost them? You should politely let people know that it was not a match at this time and hopefully in the future you will get back to them. There is an art to wording the communication in such a way that it does not lie outright, nor does it spell out a hiring freeze.