He was not just a carpenter.
When he came to be sacrificed his glory was veiled.
The cup would indeed have been the cup of a Carpenter.
Scam artists for thousands of years have overlooked the implications of scripture.
It wasn’t his cup.
I used to work as a tour guide to Christian religious sites, in Israel, so oddly enough I am very familiar with this.
The Holy Grail was (allegedly) the Seder cup of Joseph of Arithmea.
By all historical accounts, he was quite wealthy, and his Seder cup would have undoubtedly been a fine piece, probably silver.