For one thing, these are not illegal aliens. They are going through the system. Illegal aliens try to avoid the system because they know that they are here illegally. These are asylum seekers and they would apparently like to be working:
'In recent weeks, he has pushed for additional assistance from both the state and federal government, calling on President Joe Biden to expedite work authorizations for migrants to alleviate pressure on the city shelter system. Back in April, Adams notably said during a
press conference, “The president and the White House have failed this city.” '
Illegal aliens are here to work at jobs that pay less than is legal, but is better than the pay that they get at home. Many illegal aliens are recruited by US businesses that need more laborers. These migrants that are seeking asylum would actually become "illegal aliens" if they did take on jobs. The city wants them to have permissions to have jobs so that they can work here and not be a strain on city services.
Now, could the Biden administration have done better? Probably, but then there would be claims from people on the right of giving away "are jerbs!!".