Not the first time it has been mentioned, but it seems wrong to have VAR at some matches but not others.
In the Carabao Cup, VAR is only used from the semi-finals onward. That seems a reasonable arrangement to me.
As ReadingFan has said, it is an age old argument. Personally I don't see a problem, VAR can only affect the game it is being used on, games with VAR and games without VAR are mutually exclusive. Would be completely different if some league games have it and others in the same division don't.
The Carabao cup is different as it is, by definition, the Football League cup, and the Football League don't use VAR. Plus history shows that EFL clubs tend to progress further in that competition as EPL clubs don't always take it seriously.