This article seems designed to alarm more than to inform. I'm left with so many questions after reading it.

How long does a ship have to sit still before organisms attach to it?

How does this anti-attach coating get applied and can it be reapplied?

Can the ships be cleaned after sitting and accumulating sea life?

It mentioned COVID having caused ships to sit still, how much damage has already been done because of that?

Something that can survive high salinity and warm water is claimed to be able to survive anywhere, but is that really true? Couldn't cold water kill something that's adapted to warm water?

Etc., etc.

Did you try reading the Biological Invasions article they link to? --> https://link.springer.com/content/pdf/10.1007/s10530-026-038...

It's way past my bedtime, so I will have to read it in the morning, but it already seems to address several of your questions.

It’s pretty simple, stuff grows on boats, then boats move, then stuff falls off. Source: I’ve owned boats that lived in salt water.

Maybe try just appreciating those basic facts rather than trying to overwhelm them with very hard to answer questions.

Does the basic idea in this article attack your world view?

Suez crisis and various oil price shenanigans have stalled ships many times over decades. This can't be anything new.