Meulensteen left United weeks after Sir Alex's retirement.
He told BBC Sport: "The whole hairdryer thing is a nice description of what is happening but, whoever has been in front of the manager and got a telling off, he was just very direct and honest. If he wasn't happy with people's performances - regardless of who it was - bang! If you were getting it, you were getting it.
"But never ever have I been part of the dressing room and thought to myself: 'Hold on a minute, that's right out of order'. If that would happen for whatever reason, he would be the first one to apologise."