But DSLs are tempting, especially among the more passionate programmers, so at work we've ended up with a lot of them. All of them are tripping hazards.
Anything from programmable authorization to custom views becomes safely and relatively easily available. Say what you want about ESB pattern, but you can implement ESB transformers in a custom DSL.
Obviously not every piece of software needs these features, but when it does DSLs are very handy.
At work, we had two painful DSLs for monitoring queries. Our team changed monitoring systems entirely just to use SQL instead.
You can do anything with it because it allows launching other programs, but I'd say it was designed specifically for the domain of launching other programs and building data pipelines with their in- and outputs.
IMO Bash and friends are too powerful and generic to be considered DSLs.