Chris McCausland has been applauded by Strictly Come Dancing fans for his response to Lord Alan Sugar’s criticism of this year’s line-up. McCausland, 47, is the show’s first-ever blind contestant and alongside pro dancer Dianne Buswell, has been impressing the judges and viewers alike with his routines. On Saturday evening, McCausland ended up joint-fifth on the leaderboard with a respectable score of 30, tying with Shayne Ward and Nancy Xu, and JB Gill and Amy Dowden. He and Buswell had performed a Salsa for Shirley Ballas, Craig Revel Horwood, Motsi Mabuse and Anton Du Beke to critique – a r…