Andy Scott blasted Swindon after seeing his Rotherham side lose their unbeaten record with a 3-2 defeat at the County Ground.
The Millers had twice led through Alex Revell, who marked his debut with two headers either side of Matt Ritchie's leveller, but two goals from Alan Connell turned things around for the Robins to secure their first points since the opening day of the season.
Both sides ended with 10 men in a fiery encounter as Rotherham's Danny Schofield and Swindon's Alberto Comazzi saw red for second yellows.
But Scott was not happy with the hosts' antics.
"How the fans and directors of Swindon enjoy watching that I don't know," he said. "The players are rolling about in front of the dug-out and are off the bench influencing things.
"For a member of their staff to throw the ball away then it's farcical and the way Paolo di Canio has played football you'd expect his side to come and play nice football."