Even with subsidies, it's still cheaper if you compare to whole-plant based diets and real world spending data. It's only the pre-made plant-based meats and similar that are more expensive because they don't yet have the same economies of scale

It found that in high-income countries:

• Vegan diets were the most affordable and reduced food costs by up to one third.

• Vegetarian diets were a close second.

• Flexitarian diets with low amounts of meat and dairy reduced costs by 14%.

• By contrast, pescatarian diets increased costs by up to 2%.

https://www.ox.ac.uk/news/2021-11-11-sustainable-eating-cheaper-and-healthier-oxford-study

Compared to meat eaters, results show that “true” vegetarians do indeed report lower food expenditures

https://www.sciencedirect.com/science/article/abs/pii/S0921800915301488?via=ihub (looking at the US)

Based on primary data (n = 1040) collected through an online survey, representative of the Portuguese population, through logistic regressions, it was possible to conclude that plant-based consumers, particularly vegan, are associated with lower food expenditures compared to omnivorous consumers. In fact, plant-based consumers are shown to spend less than all other consumers assessed

https://agrifoodecon.springeropen.com/articles/10.1186/s40100-022-00224-9

I mean, germany does subsidize dairy products and the store-brand oat milk is still cheaper. Is it more heavily subsidized where you live?

Even with subsidies, it's still cheaper if you compare to whole-plant based diets and real world spending data. It's only the pre-made plant-based meats and similar that are more expensive because they don't yet have the same economies of scale

Seems like you are from Italy based on your instance? Studies have found overall costs lower in Italy for plant-based diets

https://www.ox.ac.uk/news/2021-11-11-sustainable-eating-cheaper-and-healthier-oxford-study