US work visas are supposed to be for the use of US employers, not under the control of foreign powers.
https://www.facebook.com/groups/131677515525/?ref=gysj
Bill Chao shared a link.
“Happy to join this group.
As a former F1 and H1B visa holder, I understand the challenges facing foreign students and workers, so I developed MyVisaJobs.com to provide data driven solutions for immigrants”.