Nothing will ever ruin email. A private email server, or a federation of mutually-whitelisting ones, is the ultimate social media, and not at all a bad personal information management system too.
I frequently tell Claude to use "simple, concrete language and uncomplicated syntax, and avoid project jargon, coinages, and abstractions as much as possible," to good effect.
Physics has bounds of concern, where as mathematics would encompass all physics, as well as all possible alternative physics, in all possible forms. Maybe not unbounded, but close to it.
Edit: typo