[tmarthal]

There are only a handful of Yann LeCuns in the world. You can't just duplicate certain technical expertise.

This isn't about developer X using framework Y; this is about research level PhDs (and equivalent) that cannot continue work for a US-based company because of visa issues.

[RhysU]

So have said companies fund research fellowships/projects producing PhDs with the skillsets they want. Then pay enough to entice them to join the company. The US DoE does this specifically because it cannot hire non-citizens.

[AngrySkillzz]

Look at the numbers; the vast majority of H1B are not research level PhDs working on unsolved problems.