Not in practice, most aren't but it is more about it being forbidden to them in principle (and few other groups) and it being allowed for others. As you probab

Not in practice, most aren't but it is more about it being forbidden to them in principle (and few other groups) and it being allowed for others. As you probably already know, vegetarian diet is not always black and white and can become complex with rules on days of the week, specific days on lunar calendar etc.