Its not a foul under the current rules. Arsenal do it all the times at set pieces. Brentford too. They have 2 or 3 players almost acting as blockers whilst the others attack the ball. They did it against Tottenham the other week. Thomas Frank at Brentford reckons a good set piece coach gets you 5 extra goals and also saves you 5 goals. Then he said that a 10 goal a season striker would cost a lot more - so I guess its good business. I personally think its obstruction, but then again I haven't a clue what a penalty is these days.
More to the point, why isnt there a front post man in place to kick it away, it was an awful corner. Organisation embarrassing. Three of their players, including Santos, only decided to go into thw box at the very last second because we had no one up, including Jalo who was 'defending' inside the 6 yard box. A joke.
Roberts weak as piss, as been all season on set pieces/corners never comes for ball. Didn't even shove their striker or anything just accepted it. Good riddance.