Wouldn't this favor large companies? e.g. someone like Google, Amazon may pay the top $ to get talent from abroad but startups or small companies are not able t

Wouldn't this favor large companies? e.g. someone like Google, Amazon may pay the top $ to get talent from abroad but startups or small companies are not able to? While the pay gap between companies exist even today, the difference is today small & medium companies can afford the foreign labor.