DAMMIT BLOB I SHOULD HAVE KNOWN YOU'D CREATE MORE WORK FOR ME!
Nah I'll do something like that at some point, but for the moment you'll have to put up with what I've already got.
Such as most and least controversial based on standard deviations.
Top 20 most controversial songs (the number is the SD):
1. The Dark Eternal Night: 2.491
2. Scarred: 2.452
3. Regression: 2.332
4. Space Dye-Vest: 2.133
5. The Ministry of Lost Souls: 2.089
6. Burning My Soul: 2.085
7. Prophets of War: 2.035
8. Light Fuse and Get Away: 2.029
9. A Vision: 2.029
10. The Best of Times: 1.998
11. Endless Sacrifice: 1.996
12. Sacrificed Sons: 1.979
13. The Killing Hand: 1.975
14. Anna Lee: 1.955
15. The Ones Who Help to Set the Sun: 1.937
16. Only a Matter of Time: 1.918
17. The Great Debate: 1.906
18. Eve: 1.893
19. Status Seeker: 1.885
20. Stream of Consciousness: 1.871
The top 2 made me laugh
Most of them were expected, but some I really didn't expect to see there, like A Vision!
And for good measure, the 10 least controversial songs:
90. Under a Glass Moon: 1.068
91. Trial of Tears: 1.045
92. The Glass Prison: 1.015
93. Strange déjà vu: 1.005
94. Octavarium: 0.986
95. Take the Time: 0.985
96. Fatal Tragedy: 0.960
97. The Mirror: 0.919
98. A Change of Seasons: 0.905
99. Metropolis Pt 1: 0.878
Interesting to see that although Octavarium had a substantially higher average rating than ACOS, it is also splits the fan base a fair amount more.