The former Manchester United ace has now become Villa’s number one left-back following the unfortunate injury sustained to talented summer signing Jordan Amavi.
Richardson has ability going forward, yet his defensive work is often called into question and BBC pundit Kilbane feels he was directly responsible for Watford’s opening goal.
"Villa are a bit unlucky, but Richardson is playing Ighalo onside and is four or five feet too deep. He's trying to get back in line with his defence but he failed to do so, and Ighalo finished it well,” he said.
Ighalo’s strike set Watford on their way and despite Villa momentarily drawing level, an Alan Hutton own goal and a Troy Deeney effort secured the Hornets all three points before a late consolation.
Remi Garde’s opening fixture against Manchester City was extremely positive from a defensive perspective, as they held the Premier League title favourites to a 0-0 draw.
However, four goals shipped at Everton was a case of one step forward, two steps back and their struggles continued against Watford as they simply failed to contain the visitors.
Richardson was seemingly caught in two minds throughout and there was a distinct lack of organisation and team shape when Villa were out of possession.
Usually teams experience a new manager bounce where results go their way, yet confidence is so low at Villa Park that Garde has an almost impossible task in keeping them afloat.