Yeah ok, its really horrible and should be stopped, so go and enjoy your hamburger from a fast food joint.
Every time you buy meat and dairy form the store you are contributing to those and similar practices. And that doesn't go just for the times you buy meat directly or dairy directly, it also counts for all the times you buy stuff that has those ingredients. Or things with leather...or wool, etc.
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I'm gonna stop you right there.
You need to know I live on a farmed animal sanctuary that my wife runs, where we rescue abused and neglected farmed animals. I guarantee-goddamn-tee you i've been to and seen more than you can even imagine.