I hear you on slaughtering your own food. That is the reason I am mostly vegetarian these days. Although, at a pinch, I'm fairly confident, if I had to do it, I could.
Absolutely, there would be far less meat consumption if people had to come into contact with the process. We would be causing far less environmental damage with less meat consumption. Most people would also be in a better state of health with less meat consumption.
The experiences we share with our family are the greatest inheritance we can receive. That said, for some people, it could also be a curse.