JK
To treat the audience who loves the show with a little bit of respect by announcing he is leaving, instead of ignoring it and pretending nothing has happened, that the show will continue on. By ignoring the announcement, he gave viewers a feeling the show will carry on, and apparently that is not the case.
What exactly were you expecting him to say? Can’t say I expected any reference at all.
To treat the audience who loves the show with a little bit of respect by announcing he is leaving, instead of ignoring it and pretending nothing has happened, that the show will continue on. By ignoring the announcement, he gave viewers a feeling the show will carry on, and apparently that is not the case.