Yes to both you and the person you responded to. They put the appropriate warning on there and you assume people are going to use a product even remotely close to how you're supposed to. If you drink an entire bag of coffee in one sitting, it's not the coffee maker's fault when you have a heart attack as a result.

It's a tragedy, but it's not the fault of the deodorant maker. Aerosols should not be inhaled in great amounts. At all. They knew she wasn't doing a quick spritz, it's their responsibility to keep her safe when she can't make that kind of decision on her own.