These people _just_ do certifications, not actual work. Like, they can talk about all the theoretical stuff that's covered in certifications but they don't have any production experience. They haven't really _applied_ their knowledge on actual work.
Since I run my own boutique tech services company, I decided to address this "gap" by building an engineering laboratory we call Prayogshala.
Engineers should focus on "lities" - availability, maintainability, reliability, so we decided to build these habits in them ourselves.