This is the tabs vs spaces of SQL. Pick one and stick with it. If you join a project that has already chosen the “other” option that is not your favourite, just grow up and deal with it. Once decided, try to apply it consistently, unlike the final example given here which really ought to be “UserFactsCollection”, or List or Bag or whatever singular object they are actually saving per table row… and if you absolutely must write a blog post like this, don’t forget to preface the title with “I prefer to…”