That can't happen. When a tool like this gets complicated enough to fully specify a complex problem it becomes unusable by the semi-technical people it was made

That can't happen. When a tool like this gets complicated enough to fully specify a complex problem it becomes unusable by the semi-technical people it was made for. Best Figma knows their strength and stays with it, leaving the extensions to other companies so as to compartmentalize the difficulty. Developers aren't just people who know a programming language, they're people who can examine a problem in detail. If a designer was capable of this they'd be a dev who designed and they probably wouldn't use a GUI web design tool.