One man's gouging is another man's market at work. Would your opinion of this man change if he had stockpiled hand sanitizer a year ago?
It is not that hard to be a responsible member of society and to not jeopardize the well being of widespread geographical areas in the hopes of profiting off a crisis.
Say what you want, but someone receiving this enormous an amount of social shaming on top of a painful economic loss, sure is going to disincentivise people from pulling similar stunts in the future.