I noticed this during recent cruises with the addition at the lunch buffet of more plant-based fake meat dishes that are high in protein.  Celebrity calls this the "Vegan Corner" and it rotates every day.  Now Celebrity just announced the Ascent will feature a seven-course plant-based tasting menu for dinner at Eden.  I can't wait to try it.  I am happy to see Celebrity is paying attention to the growing number of cruisers who are vegetarian/vegan or just trying to get more plant-based foods in