That “smart kids say no to DSLs” meme is funny but also a garbage take if taken at face value. DSLs are important because specializing will generally make you / your tool more effective. Splunk has a special query language that reflects the product’s architecture. If you want to become productive with a piece of software you need to learn its language.

Edit: To clarify my position, Domain specific languages mean domain specific ideas. As soon as a product is no longer meant for general queries, but for queries over specific ki day of information in a specific kind of system, we can use that knowledge to make a powerful language in that domain.