Spend a few minutes reading about how milk is produced. Learn how cows are made to be pregnant so that their udders lactate. Learn what happens to the baby calves once the mother cow gives birth. Learn what is done to maximize the milk output per cow per day per square foot.
Learn what retirement looks like for young cows who can’t get pregnant anymore. Learn about the environmental effects of dairy farms and what culling refers to in egg production.
Then do what you want. But don’t hide behind ignorance.