It's very ignorant of anyone to say McGrath wasn't a skillful bowler. He is the prototype of the perfect fast bowler literally. Tall, decent pace, phenomenal control, supreme fitness, moved the ball just enough to get the edge and lbw. Exaggerated movement is overrated. You don't need to move the ball so much that it beats everything and becomes predictable after a while.
You have to hit up Youtube again to see how stupid McGrath made batsmen look with little to no movement just by putting 6 balls on the same damn patch and moving one or two the other ways just a little to deceive and bamboozle the batsmen, the best of them.
In my times, McGrath towered over the rest as the lead fast bowler in world cricket. He was the nightmare for batting line ups.