It kinda is. Not a literal ship, of course, but industry still has immense momentum behind it. If you catch your prop on a rock, the rest of your ship is going

It kinda is. Not a literal ship, of course, but industry still has immense momentum behind it. If you catch your prop on a rock, the rest of your ship is going to strain to absorb the impact. According to the article, PFAS are used in semiconductor manufacturing process. These are insanely sensitive processes, and replacements will need to be found and qualified. That takes time. (Note: I'd hope they've seen the writing on the wall and have already started this process.)