The "Players whose names start with K tend to strikeout more" study, is, I believe, flawed. It's true that K names struck out more historically, but that's because K names (Kyle, Kevin, etc.) are much more common now, when strikeout rates are high, than they were in previous generations, when strikeout rates were low.

See:

http://sabermetricresearch.blogspot.com/2007/11/k-study-for-real_26.html