You'd never be able to compete because the design is the product. You'd just be stuck copying them, always one step behind.

Their interface's responsiveness is also a consequence of writing a rendering engine in WASM, so you'd have to figure that out too. [1] Plus the real-time collab. I don't know why you pretend as if these aren't difficult engineering problems to solve.

[1] https://www.figma.com/blog/webassembly-cut-figmas-load-time-...