I don't see anything common in structure between postfix `unless` and examples of garden-path sentences, which seem to be based on word ambiguity. Nothing is am

I don't see anything common in structure between postfix `unless` and examples of garden-path sentences, which seem to be based on word ambiguity. Nothing is ambiguous in e.g. `print(x) unless x != 0`. Although admittedly without syntax highlighting, conditionality it's less obvious.