I've seen a mate carefully put his high quality Japanese Les Paul copy flat on the stage
for a few seconds after a University gig while he opened the case...

only for a drunk student to walk by and tread on the neck, breaking it in two...

If I recall, the student swiftly disapeared into the audience completely oblivious...

I've also had a brand new Epiphone Les Paul Copy delivered in it's case and packaging with a broken neck...

Gibson necks are notoriously prone to breaking at the headstock joint due to historically poor design,
and persistent stuborn refusal to reinforce the neck strength with a volute..