Why wouldn't they just call the season as-is? Why void it?

To me, there are 2 big picture issues about this season that are worrisome if they null the season. Who gets the title (a foregone conclusion since Christmas) and who gets relegated.

I'm surprised they don't just call the season as-is, award Liverpool the trophy and also cancel relegation and promotion this year, which would ALSO seem to follow under a null season. The Top 4 issues are kinda side issues, because there isn't a good way to determine UCL spots if they void the season anyway.

Perhaps this would be unfair to the other leagues which may have a closer champion, but I don't see why the season should be thrown out. Even a promotion/relegation home-and-home could be fashioned in June-August. Top #1 of Championship plays #20 of EPL and so-on. They could still play the #3-6 tournament in Championship to then play home-and-home versus #18 of EPL.