When moving pages like these, please consider the possibility that outisde sites (or user bookmarks, etc.) might still link to the old titles. Leaving redirects is probably a better way to go.
वापरपी चर्चा:The Discoverer cher vixoi
These were cases where the page creators used a devanagari diacritic "ः" by mistake instead of a colon ":" at the end of the titles. I consider the chance of a link from an outside site minimal, and I want to discourage this type of error as it is difficult to identify this error to correct it. This is not simply a mis-spelling, but an attempt to include a punctuation mark in the page title. Hence, only in this kind of case, I am not leaving redirects behind.
Fair enough.