Consider if we should have a `style` tag or similar for `subset` and `defect` to be applied

[PLeVasseur]

This thought came up in https://github.com/rustfoundation/safety-critical-rust-coding-guidelines/pull/127/files#r2134689051

Relevant also to discussion that happened here on MISRA vs CERT philosophies:
#75

[vapdrs]

It seems this is also being discussed in #205