Foreign worker visas are not as necessary although middle management still thinks they are needed to “lead” such workers via desktop shares. They too can be replaced with foreign staff.
Technical services, for instance.
Good luck if you can get an American (or even someone with a comprehensible accent) on a help line.
Customers are patched over to India, whereupon the person on the other end robotically repeats "The Checklist" which guides the customer through doing his own repairs. Failing that, the traveling tech repeatedly replaces the motherboard and hard drive (with "refurbished" parts) until the customer gives up and purchases another unreliable lemon, built of parts sourced out to a multitude of disconnected low bidders, then reassembled into a semi-functional whole.
The gobalist business model: Churn and market junk at a more rapid rate than your competition. Product reliability and customer satisfaction no longer relevant. Just shift your junk-selling efforts to a different market.