Not only is this true, there are about 50 million people in the south who are incredibly grateful for US involvement. And about 26 million people in the north who are, on average, several inches shorter than the southerners due to the end of US involvement.

The people in the north aren't worked to death tho

Erm, yes they are. There are generational camps as well where people live because their parents and grandparents offended the Kim dynasty.

What evidence of this is there? We have plenty of evidence of the working conditions of south korea, however.

We forcibly inserted our forces onto a peninsula to support a state that exterminated hundreds of thousands of people that nominally opposed it. If you want to call this something other than invasion that's your choice. We can all judge what character your faith takes