Complaining a program doesn't fit your use case (with a modern coat of paint to boot) is not really constructive criticism. Notably without specific solutions. In fact comes across as entitled.
Sure it can be improved, but dumbed-down and flat is not in the top 100 things I'd ask for.
imean i really like inkscape but it seems obvious to me that being able to organize a focused, coherent, and powerful interface is a rare and subtle skill, and most people with it would not also happen to find themselves successfully herding the cats required for effective implementation in an OSS project