probably because of this.. "100% Additive-Free Natural Tobacco."
Maybe the lobbyists at the tobacco companies had them turn off that site so that their bottom line isn't affected.. probably not, more likely your government doesn't want you to smoke, get lung cancer and then be a burden on your health system. If you have one that is. I can't think of other reasons.. which country do you live in where this is blocked?
Might be illegal for me to say