You've never had to search through multiple stylesheets and Inspect to figure out inheritance and cascading for a CSS rule that is resisting editing? I recently had to work with another developer's codebase that had four different CSS files influencing the HTML, only to find in a fifth file an !important that was mucking everything up.
If you haven't experienced costly context switching working on FE then consider yourself fortunate.
If you haven't experienced costly context switching working on FE then consider yourself fortunate.