Quote:

I use them when I want the reader to continue the thought themselves...




Quote:

Death on the Installment Plan (1936) by Louis Ferdinand Céline (1894–1961) introduced the stylistic innovation of using ellipses and apostrophes to capture the rhythm of everyday speech.

Columbia University Press, P. McCarthy (1976)




These are perfectly good explanations of the use of a single ellipsis, or even extended ellipses embedded in a sentence. The question was about the use of extended ellipses at the end of a sentence.