Unclear documentation on mixing break checking rules

[jacobk]

I'm slightly confused by the current wording about breaking checkers:

The default is FILE, which is our recommendation to guarantee maximum compatibility across your users. As opposed to linting, you generally will not mix and exclude specific breaking change checkers, instead choosing one of these options:

It seems like I shouldn't use multiple ones but yet implies that I might want to (you generally will not). Are all checkers a strict superset of the lower levels? I.e. does WIRE_JSON include all checks from FILE, PACKAGE, etc.?

[bufdev]

https://buf.build/docs/breaking-checkers#choosing-a-category explains this in detail