Jack, no, it's purely the phrase 'Rainbow Bridge' that fills me with absolute horror and revulsion. I've read or heard far too many mawkish, maudlin (etc etc) stories - involving that blooming bridge - about the deaths of people's beloved pets. (And I decided I quite liked myself being 'triggered' by something. That might be compulsory soon, it's good to beat the rush.)
PS I don't think I like Wagner, he's probably far too earnest for me.