There are law firms that specialize in fake job searches used to justify bringing in people on H1B visas to work for their client companies. They must save a ton on labor costs to go through that much trouble.
We said this when Obama was President and to be fair, we have to say this even under Trump... the better indicator of unemployment is the LABOR FORCE PARTICIPATION RATE (LFPR)
Although the Unemployment rate is down, the LFPR is still TOO LOW at about 63%. We are moving in the right direction, but we got WAYS to go.