I think having the skills to understand business goals combined with the ability to design and develop solutions where you're flexible about what tech stack is

I think having the skills to understand business goals combined with the ability to design and develop solutions where you're flexible about what tech stack is used is much more valuable to businesses. Very well-said, and needs to be repeated here every time someone posts on HN "What language, framework, shiny-new-object should I learn to get the best job..."