The Egyptian armed forces are in a very good position to keep the ship in the great bitter lake as long as they want, question is, what's the value of the cargo onboard?
> the Ever Given and its some $3.5 billion worth of cargo would not be allowed to leave Egypt
According to the article, $3.5Bn.
When does it become piracy?
Never. The Egyptian government could simply issue itself a letter of marque. But a country impounding a ship while it is within its sovereign territory over unpaid fees would never be considered piracy anyway.
> $3.5 billion worth of cargo