I am sad about unnecessary suffering of the animals I eat as well. You should notice the key word "unnecessary" here.

Sad isn't the right word so, I am rather pissed at the people and companies causing this unnecessary suffering because they cannot be bothered with even trace amounts of ethical behavior in the pursuit of a single dime. Even worse are the people findokg excuses fornthis kind of behavior, at least the perpetrators have some monetary motivation, while the appologists are somewhere between edgy and and morally bankrupt.