Hi,
That's a nice view and wish you are having.
We do have the power to create a world without borders. Although the "other" Forces are doing their best to keep it the way they want. Expending borders, forming "new" alliances, while all controlled by a small group.
In such way you can say some al ready live borderless. So why can't we, with a pure heart and our best intentions for this world.
As long there's no other system, we have to use theirs for our benefits. Till a new system arrives.
Give it another few decades, maybe a century and everything is changed by us and our legacy, our great-grandchildren will benefit and experience a borderless world as it used to be.