Of course there is variance, but I'm not aware of any culture that doesn't have bullying in school. Many places generally applauded for being high-trust, harmonious adult societies (the Nordics, Japan, Australia etc) certainly have a problem with it.
Not to advance a position either way here but I will point out that Australia is not a counter example to the thesis that "bullying is ingrained in UK culture".
Canadian, Australian, and other Commonwealth colonies are heavily influenced in education practices by their UK roots.
Nordic countries and Japan make for better counter examples.
One of the best counter examples to the assertion that bullying and anger is ingrained in child rearing across the world might be:
How Inuit Parents Teach Kids To Control Their Anger
LOL since when is Australia seen as "high-trust, harmonious adult society"? It is very USA-like in many ways. And the nordics are hardly any different to anywhere else in Europe in that regard.
Canadian, Australian, and other Commonwealth colonies are heavily influenced in education practices by their UK roots.
Nordic countries and Japan make for better counter examples.
One of the best counter examples to the assertion that bullying and anger is ingrained in child rearing across the world might be:
How Inuit Parents Teach Kids To Control Their Anger
https://www.npr.org/sections/goatsandsoda/2019/03/13/6855333...
recently discussed here on HN.