A few names I would've expected to make this list:
#53 Kenneth Anger - 2.273
#58 The Farrelly Brothers - 2.220
#69 Andy & Lana Wachowski - 2.167
#73 Nicholas Winding Refn - 2.126
#76 Terry Gilliam - 2.120
#92 Gaspar Noe - 2.090
#103 David Lynch - 2.065
Least Divisive Director: D.W. Griffith
1 Rating of 4 - 4 Ratings of 5 - 3 Ratings of 6