Then you're sending people off for shirt pulls and the like too. I think we had this debate after the Son red card vs Everton - those aren't the rules, whether you agree or not.Id argue that he hasnt gone to challenge for the ball and instead essentially kicked him off the ball. Obviously it wasnt snails pace but he has zero intention of going for the ball and therefore hes walking.
If you arent going for the ball and its clear like in this case you arent why is force relevant?