It's funny the things that tweak your Sherlock Holmes triggers.
Overly handsome Holmes? Never had a problem with it. Henry Cavill followed in Roger Moore's footsteps, who followed in . . . well, let's not debate handsome, as I know there are plenty of folk who find Brett or Cumberbatch so, even thought they're more character actor than traditional leading man in the superficial beauty department. (And I probably shouldn't even say that.)
Holmes of a different race or gender? No problem there, just get that personality right. Miss Sherlock was a marvelous proof of that.
But there's just this one thing . . . well, two things, but we'll get to the second soon enough.