One past thread:<p><i>Data Organization in Spreadsheets</i> - <a href="https://news.ycombinator.com/item?id=17790545" rel="nofollow">https://news.ycombinator.com/item?id=17790545</a> - Aug 2018 (27 comments)
I hate empty cells for another reason - it busts your moving shortcuts. I rely on Ctrl clicking on arrows to get up and down a spreadsheet fast. Blanks slow your moving to crawl.