Counterexample: The European Parliament. IMHO, it looks like 4 right-wing groups, 2 left-wing ones and 2 centrist ones. While the exact positioning could be argued over, the right wing is quite certainly more fragmented than the left is.
Caesar, "The war in Gaul":
All the Britons [...] wear their hair long, and have every part of their body shaved except their head and upper lip.
(Yes, I know, the image shows a Saxon)
"In the corporate world, nobody has any compassion, ever." - A friend told me as I was about to take my first real job. Brutal and maybe exaggerated, but exactly what I needed to manage my own expectations.