[roadcat]

Let’s guess the employees were all from south of the border , knew zero English ,and could not read even Spanish.

Sounds likely. I've had problems with contractors. They bring in a crew to do the work, I see they're doing it wrong but the workers won't listen to me because they speak no English. I have to yell at the contractor over the phone to come back and correct the work, which the contractor agrees with me was done wrong. Have had several projects redone because of the language problems. You can't force contractors to have English-speaking workers, sigh...

[Bob]

While you can’t force contractors to hire English-speaking employees, you can hire those that do (or at least provide an on-the-job translator).

[ncalburt]

I hear ya
I visit Dallas for work.l
I have never seen a regular Anglo on Reno job site there .

[Chode]

but you can call immigration control