And I suppose Archbishop Argüello knows that perfectly well.
The divorced and remarried person, like any other Catholic, cannot receive Communion if they are in mortal sin, but if they are not in that condition, they can receive Communion without any problem.
Period.
And having divorced and remarried is not a permanent sin. Maintaining illicit sexual relations is, but if those do not exist or if they did exist and have been forgiven in confession, they can and should receive Communion.