I agree with you about borders, and the division of people. As human beings we should not be confined to the place we were born. We should be free to travel and live anywhere we choose on planet earth without invasive government gatekeeping.
This verse carries with it a very Libertarian sentiment. There are many translations. This is a commentary on the D.C. Lau (Academic Translation). Hopefully this will shed some light on the English translation. https://www.centertao.org/essays/tao-te-ching/dc-lau/chapter-80-commentary/
For more info on the philosophical depth of this text and why it is so challenging to translate into English, I wrote a little about it here.
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