That’s exactly what they want. But not everyone can be the next ‘start up’ and become the next Gates/Jobs.
But the H1B allows the companies to hire cheap labor. No different than the farmer needing his crops picked or the homeowner needing his lawn cut.
Under a capricious government, everyone lives from minute to minute. There is a good case to be made that it’s shortsighted to do this, but being farsighted has gotten people smacked in the face as the illusions keep shifting.