What does this tell you?

It tells you that market for illegal drugs in Saudi Arabia is simply 

ENORMOUS.

For which this find, is but a piddly shipment to satisfy a humongous market.

We all know that in Saudi Arabia, vodka, whiskey and brandy are forbidden.

Well, you never hear their customs getting finds of imports of these precious blessed liquids.

They are imported with Royal Blessings to satisfy Royal Needs.