Python absolutely is faster to get things going since it’s a lot more simple and flexible, that was never a point of contention, but it goes back to the issue of tech debt. The more you take advantage of Python’s simplicity and flexibility, the more pain you’ll be in when you need to untangle the mess and work out performance issues later on.
Rust is a finished language, as much as one can be anyway. It’s stable and doesn’t have breaking changes. The editions mechanism means they can introduce more dramatic changes, but your older code will still function by assigning it an edition and you can always upgrade by making the changes necessary to jump to a later edition.
Moderation is key.