As mentioned in a forum post [1], the example in [2] is correct but not very clear as we use a torque of 100. We should use a lower value so that it's clear we have a violation.

[1] https://discourse.hibernate.org/t/jboss-org-reference-buggy-examples/263
[2] https://docs.jboss.org/hibernate/stable/validator/reference/en-US/html_single/?v=6.0#_with_custom_container_types