I agree. I think all you'd need is a sign up on the screen that says "Review in progress" or something like that. It's to inform paying customers that a decision is being made so that there's no lull for them, rather than to allow them/us a view of the actual incident.
With the utmost respect, we'd have 3 more points from the last 2 games alone had VAR been in place due to the offside goal at Cardiff and the offside in the lead up to the penalty against Leicester - 3 points could be huge for us come the end of the season if our current form is anything to go...
But it shouldn't, and the WC proved that generally it cut out the silly errors. In theory, all it's doing is giving a second option for viewing to the person in charge who most clearly knows the rules. Referees that don't use it effectively will quickly be out for those that do as they won't be...