Curious why this would be downvoted, is it strange to expect access to source files when a project claims to be open source? Or am I missing where to find the s

Curious why this would be downvoted, is it strange to expect access to source files when a project claims to be open source? Or am I missing where to find the source files? I looked in Figma too - all I can see there are flattened filled shapes, which doesn’t seem to be the originals.