He literally promised to create concentration camps.
He is also a known liar, and I personally believe he’ll deliver that one partially to a small ratio that is still horrible but too small to count as the promise. But I can’t really fault people from fearing it’s not a lie.
As the OP said, they are the same thing.
The only difference is where you draw the line around “the system” and what you decide to put outside of it. The entire difference is on your head only, and other people have different ideas on theirs.