Under the current Administration, immigrants are being allowed in under the asylum rules, however those rules have been relaxed to include any reason for seeking the asylum. Asylum can be denied, but the courts are backed up for years because of the deluge of people crossing the border.
According to USCIS, "You are not eligible to receive an Employment Authorization Document (EAD) until your asylum application has been pending for a total of 180 days."
It gets more specific from there...
"Asylum seekers do not automatically have the right to work. You may apply for a work permit, or “Employment Authorization Document,” (EAD) 150 days after you have applied for asylum. If approved, you will be eligible to receive your work permit 180 days after you applied for asylum."
So you can get a work permit 150 days, but guess what that process is delayed too. So you have to wait another 180 days from that point before you can work. That's almost a full year.
After a full year, what we find is that most of these "asylum seekers" don't even bother and they work under the table or live by other means.
Of course, I think you knew all of that and were just being a disingenuous little Calculated Unibrowed Nutsucking Tallywhacker implying that they pay sales tax while ignoring the fact that many don't pay income tax.