Not OP, but I know sometimes I forget I want LibreOffice. Many years ago I worked for a computer store where I used to refurbish computers everyday with OpenOffice so open OpenOffice is still the brand that first comes to mind for me. I never get very far though because as soon as I see "Apache OpenOffice" I realise my mistake and search for LibreOffice.

But I'd assume lot of OpenOffice users today are just legacy users who use it just because they're familiar with the brand and that's what they've always used.