ahem. Did I say it was the finest?
No I fucking didn't.
As it happens, I cried at the BEGINNING of ET, and I cried at Twice Round the Daffodils when I was about 6, and I cried at Up and Inside Out and Moana and TS3 and most of the ones mentioned here that I've actually seen
... talking of which, I note that you do actually know what Iolanthe is, whereas many of these films I've not even heard of, so your education is obviously better than mine...
(not Truly Madly Deeply though, had had it hyped up to me far too much and couldn't get over the ridiculous facial hair)
And that's possibly part of why I don't understand the OP, because I cry at the drop of a hat (in fact, I believe I may have once or twice cried at At the Drop of a Hat, for complicated reasons involving bereavement) and don't find it particularly helpful or refreshing or as another pp said cathartic.