If there's value in a human using Figma, there's value in being able to give a "bot" instructions to do whatever a person might. e.g. "Gemini, update all the Figma layouts with this new text."
Figma MCP doesn't seem very useful at all and seem to me to compete with their newer prompt based builder. I think they're probably have their AI fork in the road. If they can't integrate these tools someone else will...