Definitely not fragile*. It gets scratched, so what. If it gets dented, it can be straightened/repaired (try that with a PC one!). My large suitcases went through some rough handling, but they could be brought back to normal service.
(Just read that 75% of GameStop investors are out of money ATM)
*A couple of years ago there was a picture in the local press how during an airport shooting incident (IST?) a bullet was topped by the pax aluminum Rimowa cabin luggage.