H-1B Visas aren't immigration... they're temporary work per…

H-1B Visas aren't immigration... they're temporary work permits that lack any oath requirement to the United States of America... and in terms of high-profile work could mean a national security risk.
If one is in the top .1% of engineers and we want to recruit them at a premium, they should have no issue getting permanent citizenship and renouncing any foreign citizenship.