Because declaring the season null and void is treating every team the same way. All results of all teams expunged for competitions not completed. This is a unilateral approach which is fair to all teams.
Deciding some hypothetical outcomes for some teams should take place is treating teams...
Why should West Brom and Leeds be promoted when it’s possible one or both could have dropped out of the top two in the remaining games? Fulham still has both of them to play.
Why should Norwich get a reprieve when they are six points adrift at the bottom? This is the same number of points West...