That's true, one should not overuse Rc. And the other extreme, avoiding Rc entirely, railroads one into a certain architecture which is good for only some use

That's true, one should not overuse Rc. And the other extreme, avoiding Rc entirely, railroads one into a certain architecture which is good for only some use cases and not others. I like to think the community will someday learn when to use Rc. It had better, lest low-overhead languages with more flexibility like Cone [0] overtake Rust. [0] https://cone.jondgoodwin.com/ https://cone.jondgoodwin.com/