To me void is the fairest way,PPG is no way to sort things out,it doesnt take into account whether the game is home or away,whether a player is back from injury,plus how many times has a team turned it around while another team has collapsed,just say its over and try sorting out what to do in the coming months with regard to behind closed doors,fonances,contracts etc
If you remove this need for "fairness" and just look at what's already happened, then it's a better way to keep the leagues structure
No matter what solution a team will always lose out and it can never be fair.
You void a season it ends up being unfair to the championship promotion sides. You promote them, you have more teams, more games, which will mean other competitions with take a hit.
You keep things as they are and void, teams will lose players, sell their best players etc as they've basically had a "trial run" for 80% of a season so teams have seen who they want. The relegation candidates have another chance to survive...how's that then fair to a new team that goes down the following season?
If you play the games out...as seen there's cries of unfairness at how they're wanting to carry it out.
You postpone until it's "safe" (and let's be honest it's never going to be 100% safe for years) you're then months behind other leagues.
You've already had Ligue 1 do it. There's talk that the championship is going to do it.
The only thing stopping is the money lost and the notion that its "unfair".