Technology should only be implemented in football - and any sport - once it is proven to be as accurate as it possibly can be. Alternatively, it should be limited to the areas in which it excels.
With regard to the VAR system, that would see it limited to perhaps merely offside goals, penalty decisions and mistaken identity. It is strange that while FIFA introduces VAR to the World Cup, it is still being trialled in other competitions.
The Premier League may, therefore, never be satisfied with it. Even when other sports have introduced technology, they are still facing challenges to make sure it works for all parties.