Intentional...but it is tragic..guy probably thought he would get some free tacos and a fun memory..I have eaten corn tortilla chips fast and nearly choked...so I would never get in a contest like that..
Donating one of your kidneys to save someone else, and then contracting some debilitating disease that make you lose your one remaining kidney, and being unable (for some reason) to accept a donation, is tragic. Not this.
Regards,