Robustness is pretty reasonable in my book. Not quite as solid as my Thinkpad X1 Carbon, but more robust than my Asus or Dell XPS13s.
I’m hard as heck on my laptops. Mine is an 11th gen 5th batch, so a pretty early Framework. It’s survived dropping, banging about, several rain forests (Belize and Grenada), putzing about Paris. It even made it through the cover getting jammed when the person in front of me reclined their seatback all the way onto it.
I usually just toss it in my not very padded bag without a sleeve. Still works, so I call it good.