Yes, but nobody ever opened the tins, just fought tooth and nail to buy them and horde them in cellars, eventually to be either sold for pennies at estate sales, thrown away by ignorant heirs, or sold to the Chinese at insanely inflated prices.
So yes, Esoterica went out of business, and you should stop looking to buy any. Try stuff made by STG, they’re not going anywhere soon.
</sarcasm>