Reb Yid is right. Yasher koach.
I would just add that the animal liberation people are not literally insane. They are just confused. In practice, their lifestyles (abstaining from all animal products in food and clothing) do somewhat more than others in reducing animal suffering.
Because of the attractiveness of the vegan/liberationist ideology to so many, my opinion is that a frum Jew should not be a pure or strict vegetarian, even though that is permissible, but at least make ocassional exceptions, so that one is merely near-vegetarian or near-vegan (even 99% if they wish).
The reason is because veganism/liberationism, aside from convincing people that such things as tallis and teffilin and korbanos are necessarily wrong (c”v’s!), has become a religion in itself for many people, making them feel like that is enough and they don’t need any other beliefs. So to avoid getting sucked into this worldview, it’s a good idea for frum people on a plant-based diet to eat a symbolic amount of animal foods from time to time.