The problem is that people don't know what is going on

It’s true that most people don’t know exactly what the animals go through in factory farms, but they do know the basic facts.
They know that meat is animals' flesh. They know that animals are born to die. They know meat is murder. The problem is that they don’t care.

"Animal liberation" by peter singer was written 37 years ago, "Animals machines" by Ruth Harrison was written 46 years ago, and since these two, hundreds more were published and there are hundreds of websites with thousands of articles and thousands of videos and tens of thousands of photos documenting animals' systematic exploitation by humans. People have many ways to get the information if they want to, they just don’t.

Some, like farmers, vivisectors and slaughterhouse workers definitely know what is going on, they live it each day. They have much more than information. They see, hear, smell and touch animal suffering every day. How come so little of them change conceptions?

Obviously, people are trying to avoid the acknowledgment that it is not moral to exploit animals, setting their limit randomly at any place that fits their day-to-day routine. From minding themselves only, to family and friends, same country, same religion, same species, "free" range eggs only, no veal only, no tested cosmetic products only and etc.
Unfortunately, you are avoiding the acknowledgment of their avoidment of the acknowledgment.

The animal rights arguments are so simple and right. They are based on solid facts and evidences. Nobody can confront them rationally. Why then is it so hard to convince someone to go vegan?
The reason is that rationality is not enough in this world. It has proved itself as an insufficient element in order to change people’s habits. Rationality can’t beat motivation. For a more extensive view on that matter please read Even the most selfish argument is not working in our article section.

If you examine the arguments that are raised in conversations about animal rights and about veganism (and obviously you do it all the time, and being sarcastic about it too), you won’t find even one rational argument against animal rights or veganism.
You’ll never stop hearing the same stupid old responses:
"What about how other animals kill and eat each other?"
"Human beings are a part of the food chain, and eating meat is natural. So then, how can it be wrong?"
"Doesn't the Bible say that humans have dominion over the animals?"
"If God did not want us to eat meat, then why did he place animals on the Earth?"
"How do you know that plants can not feel pain too?"
"What about insects?"
"Would you rather save your child or your dog?"
"Shouldn't we focus on solving human problems before worrying about animals?"
"If everyone become vegetarian, then what will we do with all the farm animals?"
"Meat tastes too good to become a vegetarian."
"If we didn't raise animals for food, then they would never have had the chance to be born and experience life at all."
"Don’t you have something better to do?"

…and you will give the same answers.
For how long will you play this game? It is a waste of energy and time.
The animals don’t have either of them.

Lack of information is not the problem. The problem is that people that do know what is going on are not doing anything about it, and the few that do something, are aiming at the wrong direction.