It's so Ironic how some people call him stupid when the dude is one of the very fundamental why Bitcoin has value today. Besides, he used the technology on how it's supposed to be used instead of hoarding like everybody is doing today.
Isn't it the other way around? We, as hodlers are the ones who's stupid for not using Bitcoin to purchase something from the merchants to further widen the adaption and better circulation of Bitcoin in the cryptocurrency market.
Nevertheless, pizza day should always be remembered and celebrated.