[dgb23]

Typical users of this likely don't care the slightest about whether anyone considers it an anti-pattern, because you use those in order to write utility scripts. And those who care would use tooling to detect issues like that anyways.

[pabs3]

Yeah, doing things wrong happens quite often. Especially for the meta-character injection issue. Personally I think language designers should deprecate and remove backticks and other shell-executing features from all languages.