From the USCIS policy directive.

>> admitted into the United States as nonimmigrants to depart rather than pursue adjustment of status. Such aliens are generally expected to pursue an immigrant visa and admission from outside the United States if they wish to reside permanently in this country.

H1-B was already a dual intent visa. Are they trying to create a new visa category?

Whatever they are trying to get to this is a big concern for all H1B employees.