It is still changing the rules of the game mid season …. People want fairness and integrity and that isn’t either.
You can’t punish a club AFTER a decision has been made … simple as that.
Clubs pushed for postponements because it suited them, would they have pushed for them IF this rule had been in place … maybe not. But you can’t put new rules in places after decisions have been already made (despite how dodgy they are )
However.. this rule SHOULD be implemented for subsequent seasons to stop anything like this happening again.
There are a LOT of rules (or laws, whichever) that should have been sorted out, agreed and implemented after the 2019-20 season, when things that couldn't happen did happen - and rules weren't in place to cover the situation. Now they know it can - and has - happened, the rules to cover this sort of eventuality should be in place.
But this is the PL ...........................................