here’s a what-if for you.
Suppose that some errant cargo (human, drugs, weapons, NUKES) was not on this ship but another.
Suppose the operator of this particular ship was a white hat and chose to block the canal in an effort to prevent another Wessel from reaching it destination, or to allow time for the navel forces to set up an interception operation for said Wessel. (reaching my inner Chekov here)
Either way, a blocked Suez Canal gets a lot of attention. :)
There are no coincidences - perhaps this was a message to Evergreen herself, that whatever plans she had were blocked.
That sounds very possible. Something is... unusual.