what a foolish answer. If you are the one person that is responsible for 400k lines of CSS alone, including Markup, Frontend Tools and Frontend Architecture and you are dealing with 13 year old legacy codebase that has never been touched by a frontend person, and you are educating 30 people about the value of design and what the difference between a brand and corporate identity and design, and you find 125 slightly varying differences of the same color and completely varying print versions of that color and if that company's CI consists of literally three colors, the rest is only implied, and if you are supposed to be the person responsible for all this but these responsibilities are still distributed across 3 teams and 5 people, then yes - these things can indeed take a while.

Not every result comes down to sketch files. Some of us are Designers that work in a variety of domains including programming, content strategy, branding and UI/UX Design. I'd say the majority of designers does not have a one-dimensional with defined edges. Many of us do many of those things at the same time. Facilitating growth and understanding in an already existing culture that is growing takes time and needs to be navigated with empathy. It's as simple as that.

Try making a pattern library as an implementation of a design system that is organically growing, as an interpretation of a brand that is barely defined and growing at a slow pace, in a context where kind of everyone but kind of only one person is responsible for facilitating said growth. It's like trying to sew the leaves on a maple tree in autumn when it's storming.