Indeed.
You can’t work for someone without a SSN.
You can’t bank without an SSN.
Many basic utilities require a SSN.
You can’t drive on public roads without a license.
You can’t drive a car on public roads without licensing the car (even if, as in most of GA, absolutely no maintenance/certification/inspection is required other than licensing fee).
You can’t buy a cell phone without a SSN.
You can’t fly without a passport or similar ID.
You can’t take a long-haul train without a passport or similar ID.
You can’t keep your own land if you don’t pay annual taxes on it.
OK, there are a FEW exceptions to each of these.
You can run a business without a SSN. Maybe.
You can drive, without a license, an unlicenced car, without insurance, on your own land - if you have that much land. BFD.
You can travel long-haul without a license. On foot or bicycle.
Whatever you do to avoid such restrictions will most likely obligate someone else to vouch for you (they providing the restrictions), or will be so petty in society as to render you impotent therein.
And don’t forget to take along your children’s vaccination records! You’ll need that to get them into the reservation.
This line for sheeple, that line for freeple.
So... how do all those illegals do it?