Shrimp is not part of the equation and not included in this article.
I mean why would they be?
No-one says oooh shrimp let’s look for an alternative.
I mean after all why would you?
If you are vegan or vegetarian there are plenty of option out there that are not related to the PRAWN.
https://www.nytimes.com/2019/09/21/climate/plant-based-meat.html