Should tennis implement a no-let rule? Of course not. That would be like diluting the aces.
" Attempts to eliminate the sensible and necessary service let go way back. In a September 1954 World Tennis column, “The Silliest Rule in Tennis,” C. Alphonso Smith wrote, “In 92 percent of the hundreds of cases observed, the ball continued in its flight without appreciable change in speed or direction, generally merely flicking the net.” Anyone who has ever played or watched tennis knows Smith’s claim is absurd. We see serves hit the top of the net and ricochet unpredictably the vast majority of times. In 1968, the World Championship Tennis (WCT) circuit’s short-lived experiment with abolishing service lets ended because the players objected...."