I arrived in SXM today after a long sail from Antigua, and after clearing C&I I walked to the SMYC. While at the ATM getting US$ I talked a megayacht officer and he told me that the ship in question has azimuth pods and a combination of equipment issues, strong current, side wind and a vessel stopping in front of them was what led to the incident.

Here's a picture of what they've replaced the booth with: