The Championship outfit are currently dealing with financial issues due to the Football League's decision to block Massimo Cellino's takeover following a tax evasion conviction.
On the pitch, Leeds have lost six of their last seven games, which has sparked discontent among a number of supporters.
"I got some phone calls late at night recently and it's just not right," McDermott told BBC Radio Leeds. "There's a right and wrong and that is just wrong because I am digging in."
Leeds are currently 15th in the league table.